Search Results (3,614)

Background/Objectives: Laryngeal leukoplakia and dysplasia carry a variable risk of malignant transformation. Although microlaryngoscopic excision is standard of care, data on voice function are limited. Multidimensional diagnostics, including the Vocal Extent Measure (VEM), were employed to assess pre- and postoperative status while identifying factors associated with vocal outcomes. Methods: This retrospective cohort included 44 patients with histologically confirmed vocal fold leukoplakia or dysplasia. All underwent cold steel or laser-assisted phonomicrosurgery. Voice assessments were conducted pre- and three months postoperatively, comprising videolaryngostroboscopy, auditory-perceptual evaluation of grade, roughness and breathiness (GRB), self-assessment (Voice Handicap Index, VHI-9i), and objective acoustic-aerodynamic measures. Results: Overall, 57% of patients were active smokers; 73% consumed alcohol. Lesions were mostly unilateral (77%), craniomedially localized (65%), and involved up to one-third of the vocal fold (48%), with impaired mucosal wave (76%). Histopathology revealed mainly hyperkeratosis (52%) and dysplasia (35%). Recurrence rate was 14%, with histology unchanged. Postoperatively, subjective measures showed significant improvements (post- vs. preoperative), with decreased VHI-9i scores (10 vs. 14) and GRB ratings (p < 0.05). Objective measures showed positive trends, including enhanced vocal capacity (VEM 85 vs. 82), stability (jitter 0.6 vs. 0.8%), and aerodynamics (maximum phonation time 18 vs. 15 s). Phonosurgical method, histopathology, and age did not significantly affect voice outcomes; however, higher dysplasia grades and younger age showed trends toward greater VEM gains. Conclusions: Phonomicrosurgical excision of laryngeal leukoplakia and dysplasia effectively preserves or enhances vocal function. The VEM provides a reliable, quantitative complement to established voice diagnostics and should be integrated into standardized assessment protocols. Full article

Background: Dual mobility (DM) total hip arthroplasty (THA) was introduced to reduce postoperative instability, one of the most frequent causes of revision after hip replacement. Its use has progressively expanded beyond revision surgery to selected high-risk primary cases; however, comparative data integrating both clinical and radiographic outcomes from real-world tertiary centers remain limited. Methods: A retrospective comparative study was conducted including 78 patients who underwent THA with a DM acetabular component between January 2019 and December 2024, and 78 matched controls who received conventional fixed-bearing THA during the same period. Matching criteria were age, sex, and procedure type (primary versus revision). Clinical outcomes were assessed using the Harris Hip Score (HHS) and visual analogue scale (VAS) for pain. Radiographic evaluation focused on component positioning, radiolucent lines, and signs of loosening. Complications and revision rates were compared between groups. Results: The mean age was 71 ± 9 years, and 62% of patients were female. Mean follow-up was 38 months. HHS improved from 54 ± 10 preoperatively to 89 ± 8 postoperatively in the DM group (p < 0.001), with similar final functional outcomes in the conventional THA group (90 ± 9, p = 0.48), and comparable improvement between groups (p = 0.62). Radiographic parameters demonstrated stable fixation and appropriate component positioning in both groups, with no significant intergroup differences. The dislocation rate was numerically lower in the DM group (1.3% vs. 5.1%), although this difference did not reach statistical significance (p = 0.37). No cases of intraprosthetic dislocation occurred. Overall implant survival free from revision at five years was 96.5% for DM and 94.7% for conventional THA (p = 0.47). Conclusions: DM THA achieved excellent clinical and radiographic outcomes, with a numerically lower dislocation rate than conventional THA. Mid-term implant survivorship was comparable between groups, supporting DM as a reliable option for improving stability in appropriately selected patients. Full article

Early diagnosis of ovarian cancer remains one of the most important unmet needs in gynecologic oncology because survival is strongly stage-dependent and most patients still present with disseminated disease. Conventional non-invasive tools, particularly CA-125, transvaginal ultrasound, and composite triage algorithms, remain clinically useful but are limited by suboptimal sensitivity for stage I disease and by reduced specificity in premenopausal women and in benign inflammatory or endometriosis-associated conditions. Circulating tumor DNA (ctDNA) has therefore emerged as a candidate biomarker capable of extending liquid biopsy beyond conventional serology. In ovarian cancer, however, ctDNA implementation is constrained by low tumor shedding in early-stage disease, marked biologic heterogeneity across histotypes, clonal hematopoiesis-related background noise, and major pre-analytical and analytical sources of variability. This narrative review, informed by structured searches of PubMed, Scopus, and Web of Science, examines the evolving evidence for ctDNA mutations, methylation-based assays, multi-omic platforms, and machine-learning models across three distinct clinical contexts: population screening, preoperative triage of adnexal masses, and post-treatment assessment of molecular residual disease. We also discuss positive predictive value, false-positive harms, health-economic implications, standardization initiatives, and ongoing prospective studies. Overall, current evidence suggests that the most plausible near-term role for liquid biopsy in ovarian cancer is not as a universal stand-alone screening test, but as an integrated component of risk stratification and disease-monitoring frameworks that combine molecular signals with clinicopathologic and imaging data. Full article

Background: Treatment of failed osteosynthesis of fractures of the proximal humerus with one-stage or two-stage surgery is difficult and clinical results are poor. The aim of this work is to evaluate the microbiological positivity of devices removed due to osteosynthesis failure. Furthermore, the clinical outcomes of these patients were evaluated at a follow-up of minimum 6 months, to assess the recovery of range of motion and the reduction in pain. Methods: A retrospective analysis was performed on 15 patients treated from September 2021 to September 2023 for failure of previous proximal humerus synthesis. These treatments included implant removal and arthrolysis. None of these patients showed signs of infection. Demographic data, VAS, ASES, Constant score, and range of motion (ROM) were assessed before surgery and at least 6 months of follow-up. Removed devices were processed in MicroDTTect^® system, to increase the sensitivity of microbiological cultures. The cultural and clinical results of device removal surgery were analyzed. Results: Culture results were positive in eight out of 15 patients. Slow-growing anaerobic bacteria were the most isolated microorganisms, particularly C. acnes (62.5%). Improvement in patients’ passive ROM was observed. The patients went from a preoperative VAS of 8.4 (±1.1) to a VAS of 2 (±1.1) at follow-up. Similarly, we observed an increase in ASES from 9 ± 6 to 50.2 ± 2.3 and Constant score from 17 (15–18) to 40.7 ± 3.3 at a follow-up of at least 6 months. Conclusions: Two-stage procedure should always be considered in the context of proximal humerus synthesis failure. Arthrolysis with postoperative physiotherapy prepares the shoulder for definitive prosthesis implantation. Full article

Advanced cases of unilateral condylar hyperplasia might need combined joint reconstruction and orthognathic surgery. This report illustrates the feasibility of integrating digital planning, patient-specific prosthesis design, and orthognathic correction within a single-stage surgical workflow. A 23-year-old female patient presented with skeletal Class III malocclusion, facial asymmetry, and mandibular midline deviation due to left condylar hyperplasia. After preoperative orthodontic alignment, virtual surgical planning was carried out using specialised software to simulate resection of the hyperplastic condyle, with concurrent total TMJ replacement, contralateral sagittal split ramus osteotomy, and Le Fort I osteotomy. Based on this plan, patient-specific prosthetic components, surgical guides, and fixation plates were designed and manufactured. Surgery was performed according to the digital plan using a combined intraoral and extraoral approach. At 3-month follow-up, clinical and radiological assessments showed stable prosthesis positioning, improved occlusal relationships, restoration of facial symmetry, and high patient-reported satisfaction. However, given the single-case design and short follow-up, these findings should be considered preliminary, and further studies are necessary to evaluate long-term functional outcomes and reproducibility. Full article

Background/Objectives: Ureteric stents are commonly used in the management of urolithiasis but are associated with significant morbidity, leading to unplanned emergency department presentations and increased healthcare utilisation. This study aimed to evaluate whether reducing ureteric stent dwell time from three months to one month was associated with reduced stent-related emergency presentations. Secondary objectives were to assess post-ureteroscopy infective complications and identify predictors of emergency attendance. Methods: A retrospective cohort study was conducted across Western Sydney Local Health District, comparing patients undergoing ureteric stenting prior to ureteroscopy before (n = 189) and after (n = 244) an institutional policy change reducing time to definitive surgery from three months to one month. Patients aged ≥16 years with urolithiasis were included. Results: Following the policy change, mean waiting time for ureteroscopy decreased from 97.3 to 40.6 days. The proportion of patients presenting to the emergency department (ED) for stent-related symptoms decreased from 31.7% to 16.4% (p < 0.001), and mean presentations per patient declined from 0.60 to 0.21 (p < 0.001). Stent irritation accounted for most presentations. Using multivariable analysis, age < 50 years, immunosuppression, and positive pre-operative urine cultures were independently associated with ED attendance. Post-ureteroscopy infective complications were lower in the shortened dwell-time cohort (2.0% vs. 4.2%) but did not reach statistical significance (p = 0.26). Conclusions: Reducing routine ureteric stent dwell time from three months to one month was associated with significantly fewer stent-related emergency presentations. Shorter dwell protocols may reduce patient morbidity and healthcare utilisation and could be associated with lower rates of post-ureteroscopy infective complications. Full article

Objectives: We aimed to explore foot condition and toe strength in older adults undergoing heart valve surgery. Materials and Methods: This exploratory pilot study included nine older adults undergoing heart valve surgery. Subjective data on foot-related symptoms, self-care status, nail care, footwear, exercise habits, and fall history were collected. Preoperative foot and nail conditions were assessed using observation and photography. Toe strength was measured preoperatively in all participants and postoperatively in a subset of participants when feasible. Descriptive analyses were primarily conducted, with exploratory group comparisons. Results: Participants frequently reported foot-related symptoms and difficulties with foot self-care prior to hospitalization. Lower toe strength appeared to be related to greater difficulties in foot self-care, whereas higher toe strength was more commonly observed in those reporting regular exercise habits. Postoperative toe strength was reassessed in six participants. In a participant with prolonged intensive care unit (ICU) stay, delayed recovery of toe strength was observed. Conclusions: These preliminary findings suggest that foot condition and toe strength may be relevant to physical function and fall prevention-related factors in older a dults undergoing cardiac surgery. Reduced toe strength may be related to self-care difficulties, and prolonged ICU stay may influence the recovery of toe strength. However, due to the small sample size, these findings should be interpreted as exploratory and hypothesis-generating. Full article

Medication-related osteonecrosis of the jaw (MRONJ) represents a major clinical challenge for oral and maxillofacial surgery departments as well as dental practices. With increasing life expectancy and the more frequent use of medications associated with osteonecrosis, the incidence of MRONJ continues to rise. To date, there are no uniform treatment standards with scientifically proven effectiveness for this condition. To evaluate the impact of platelet-rich fibrin (PRF) on the outcomes of MRONJ treatment and to identify factors that may influence the effectiveness of PRF therapy, we conducted a comparative prospective study including 22 patients divided into two groups: patients treated with PRF and patients treated without PRF. PRF was prepared according to the PRF Duo Quattro Process protocol for PRF (Nice, France). The study was registered at ClinicalTrials.gov (NCT07464678). The following parameters were assessed: age, smoking status, gender, lesion location, body mass index (BMI), C-reactive protein (CRP) concentration, pain intensity, presence or absence of fistulas, soft tissue healing and radiological findings. Patients were evaluated preoperatively and postoperatively at 14 days, 6 weeks, and 6 months. The study demonstrated a reduction in pain after surgery among patients treated with PRF. In addition, the use of PRF resulted in improved healing outcomes in patients with elevated CRP. Higher BMI was associated with poorer therapeutic response to PRF. Improvements in soft tissue healing and disease stage were observed in the PRF group; however, these differences did not reach statistical significance. All findings should be interpreted with caution due to the limited sample size. There is still no standardized treatment for MRONJ. The use of platelet-rich fibrin as an inexpensive and safe adjunctive therapy may provide clinical benefits for patients, particularly through a significant reduction in pain. Further large-scale, multicenter studies are required to confirm these findings. Full article

Background/Objectives. Radiomics is an emerging imaging-based tool that enhances lesion characterization beyond conventional diagnostic approaches. Its potential in evaluating osteolytic lesions of the jaws lies in improving discrimination between benign and malignant entities. This study aimed at developing a predictive model to identify radiomic features capable of distinguishing benign from malignant lesions. Methods. Subjects with preoperative CT or CBCT and histopathological confirmation were included. A pilot cohort was used for feature selection via LASSO regression, which ranked features by frequency and absolute coefficient. Malignancy was coded as class 1, benign lesions as class 0. Positive coefficients indicated association with malignancy, while negative coefficients with benign characteristics. The most stable features were initially trained on the pilot cohort and then validated on an independent test set through machine learning classifiers as LASSO, support vector machine, artificial neural network, random forest e XGboost. Results. The sample comprised 69 subjects (pilot cohort = 57, test cohort = 12). The predictors selected from LASSO regression were: DifferenceEntropy_GLCM (−0.768), CenterOfMassShift_MORPHOLOGICAL (−1.390), INTENSITY-HISTOGRAM_MaximumHistogramGradientGrayLevel (1.139), GLRLM_ShortRunLowGrayLevelEmphasis (−0.742), and Maximum3DDiameter_MORPHOLOGICAL (0.932). As for model performance on test, LASSO achieved the best performance (AUC 0.83), with perfect specificity and sensitivity of 0.71. SVM showed good AUC but poor sensitivity, while random forest and XGBoost performed poorly (AUC 0.57 and 0.37, respectively). Conclusions. The LASSO model proved to be a transparent and robust classifier, suitable for both feature selection and external validation. The selected features demonstrated strong discriminative ability, supporting the potential of radiomics in improving lesion assessment and guiding clinical decision-making. Full article

Background: Postoperative delirium (POD) is a common complication in geriatric patients. This prospective cohort study evaluated a possible influence of intraoperative positioning on the occurrence of POD, as intraoperative prone positioning could affect cerebral perfusion. Methods: We included 760 patients of ³60 years scheduled for elective surgery in prone or supine positions. The primary outcome was POD incidence on the first five days after surgery, assessed via 3D-Confusion Assessment Method (3-D CAM) or Confusion Assessment Method for Intensive Care Units (CAM-ICU). Preoperative assessments included the American Society of Anesthesiologists (ASA) and New York Heart Association (NYHA) classifications as well as short screenings for the cognitive (modified Montreal Cognitive Assessment (MoCA)) and self-care status of the patient. Secondary outcomes were length of hospital stay (LOS) and mortality rates. Results: Postoperative delirium rates were similar in prone and supine patients (7.6% vs. 5.5%; p = 0.31), and logistic regression analysis revealed no association of intraoperative prone positioning with POD (odds ratio 1.42 (95% CI 0.68–2.92; p = 0.342)). The overall incidence of POD was 6.1% and was associated with older age (81.5 (CI 76.2–84.8) vs. 72.0 (CI 67.0–79.0) years; p < 0.01), higher ASA and NHYA classifications, lower preoperative modified MoCA, reduced independence in self-care (p < 0.001, respectively), and longer incision-to-suture times (107.0 (CI 73.0–173.0) vs. 85.0 (CI 60.0–130.0) minutes; p < 0.01). Postoperative delirium resulted in longer LOS (14.5 (CI 9.0–27.0) vs. 7.0 (CI 4.0–9.0) days; p < 0.001), and increased mortality (13.0% vs. 1.7%; p < 0.001). Conclusions: Intraoperative prone positioning was not associated with POD in patients aged 60 years or older (OR 1.42; CI 0.68–2.92; p < 0.340), and LOS and mortality as secondary outcome parameters were also similar in patients after prone and supine surgery. Future studies assessing additional and possible confounding factors and intraoperative systemic and regional hemodynamics and oxygenation are needed to verify this result and to evaluate cerebral hypoperfusion as a possible mechanism of POD. Full article

Background/Objectives: Carcinoembryonic antigen (CEA) is widely used in colon cancer management; however, its diagnostic and prognostic accuracy is limited by biological variability, as well as false-positive or false-negative results. Radiomics provides quantitative descriptors of tumor heterogeneity and offers objective assessment of tumor characteristics. This study aimed to evaluate the potential of computed tomography (CT)-based radiomic features to distinguish between CEA-positive and CEA-negative colon cancer patients. Methods: In this retrospective study, 150 patients with histopathologically confirmed colon cancer were screened, and 109 were eligible after image-quality assessment (53 CEA-positive, 56 CEA-negative). A total of 107 radiomic features were extracted from preoperative contrast-enhanced CT images. After z-score normalization, feature robustness was assessed using intra- and inter-observer agreement. Correlation-based feature selection (|ρ| ≥ 0.7) was applied. Five machine-learning classifiers—Support Vector Machine (SVM), Decision Tree, Ensemble, k-Nearest Neighbor (k-NN), and Neural Network (NN)—were trained using stratified 5-fold cross-validation. Performance was evaluated using accuracy, recall, specificity, F1-score, and ROC-AUC. Results: The best performance was obtained with 41 selected features. The k-NN classifier achieved the highest accuracy (77.4 ± 2%) and ROC-AUC (0.8523 ± 0.013), while SVM and NN achieved the highest recall (83.0 ± 0.3). These models showed balanced and robust performance in distinguishing CEA-positive from CEA-negative patients. Conclusions: CT-based radiomic analysis combined with machine learning—particularly k-NN, SVM, and neural network classifiers—showed promising performance in differentiating colon cancer patients according to serum CEA status. Radiomic features may provide imaging-based information associated with serum biomarkers such as CEA, potentially enhancing tumor characterization and supporting more personalized decision-making. Full article

Tumor oxygenation is a key determinant of cancer biology and treatment response, correlating with angiogenesis, recurrence, and malignant progression. Hypoxia is a defining feature of glioblastoma (GBM) and adult diffuse gliomas, generating low-oxygen niches that promote invasion, stem-like states, immune suppression, and resistance to radiotherapy and temozolomide, contributing to poor outcomes. Measuring tissue partial pressure of oxygen (pO₂) and mapping its spatial heterogeneity can, therefore, inform mechanistic understanding and therapeutic development, including hypoxia-activated prodrugs, hypoxia-responsive gene therapy, and optimized radiotherapy planning. Although direct pO₂ assessment is challenging, invasive probes and multimodal imaging can characterize regional hypoxia pre-operatively, support patient stratification, monitor treatment effects, and improve outcome prediction. This review summarizes oxygen dynamics in GBM; analyzes causes of hypoxia (rapid growth outpacing supply, diffusion-limited hypoxia, and abnormal/chaotic vasculature); compares methods to quantify oxygenation from direct measurements to noninvasive imaging surrogates; and evaluates preclinical and clinical strategies that target hypoxia to enhance standard therapy, including barriers to translation. We further integrate oxygenation with cell signaling and redox biology: oxygen gradients are transduced via hypoxia-inducible factor programs and redox-sensitive pathways (NRF2/KEAP1, NOX-derived ROS, nitric oxide/S-nitrosylation, and sulfur metabolic routes), shaping mesenchymal-like transitions and cell-death programs such as ferroptosis. Framing oxygenation as both a microenvironmental and redox-signaling variable positions oxygen imaging as an entry point to biomarker-guided therapies that exploit oxidative vulnerabilities. Full article

Background: Total hip arthroplasty (THA) for the late sequelae of childhood septic hip arthritis is technically demanding, and infection-related risk remains incompletely defined. This systematic review and meta-analysis address the research question: “In adults undergoing THA after childhood septic arthritis of the hip, what is the incidence of post-THA infection, revision, and mechanical/neurologic complications?” We systematically reviewed and meta-analyzed outcomes after THA in patients with septic hip arthritis diagnosed at ≤18 years. Methods: PubMed, Web of Science, Scopus, and the Cochrane Library were searched from inception to 31 December 2025 (PRISMA). Eligible studies reported THA outcomes after childhood septic arthritis and met a Methodological Index for Non-Randomized Studies (MINORS) threshold (≥9). A random-effects meta-analysis of events per hip was performed. Results: Nine studies were included; eight contributed to the quantitative synthesis (343 hips). The pooled incidence of any post-THA infection was 1.55% (95% CI 0.38–3.48; I² = 23.8%; 5/343); when microbiology was available, no relapse due to the index organism was reported and events were classified as new infections. The pooled incidence of revision for any cause was 4.99% (95% CI 2.27–8.70; I² = 43.4%; 15/334). Non-infectious complications were clinically relevant, including intraoperative fracture (6.95%) and nerve palsy (4.84%). Evidence was limited by retrospective designs and heterogeneous reporting. Conclusions: THA after childhood septic hip arthritis demonstrates a low risk of postoperative infection, with relapse of the original pathogen appearing rare in carefully selected quiescent cases, but a clinically meaningful burden of mechanical and neurologic complications. These findings underscore the importance of careful preoperative assessment, meticulous surgical technique, and highlight the limitations of the current evidence. The protocol was registered in PROSPERO (ID: CRD420261298181). No external funding was received. Full article

Background/Objectives: For men with bothersome lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH) requiring surgical intervention, UroLift has been shown to be an effective and durable, minimally invasive method. Methods: A retrospective review was conducted for 72 patients who underwent UroLift at a single hospital in Australia between 2018 and 2025. Data regarding baseline demographics, the pre- and post-operative International Prostate Symptom Score (IPSS), maximum urinary flow rate (Qmax), the post-void residual (PVR), and complications were collected prospectively. Inclusion criteria for patients selected for UroLift were males over 50 years with a prostate volume between 20 and 70 mL, pre-operative PVR of <350 mL and Qmax and IPSSs of <15 mL/s and >12 respectively. The purpose of this study is to assess the clinical outcomes of patients treated with UroLift at our institution and compare these findings to the existing literature. Results: Complete data was available for 34 patients. Our cohort had a median age of 63.0 years (interquartile range [IQR] 58.0–69.0) and UroLift was performed using a median number of 4.05 implants per patient. Median prostate volume (mL) was 43.0 (IQR 38.0–59.0). Post-operatively, the median percentage changes in the IPSS, Qmax (mL/s) and PVR (mL) were −30.9% (IQR 5.8–−71.1, p = 0.0048), 40.1% (IQR −6.6–165.1, p = 0.0159) and −36.4% (IQR −84.6–29.8, p = 0.0232), respectively. Most patients (n = 24, 73.5%) were discharged on the same day of the UroLift procedure with the remainder (n = 9, 26.5%) being discharged on day 1 post-operatively. The median time (months) for post-operative review was 2 (IQR 0.9–3.3). Conclusions: UroLift is safe, effective, and a minimally invasive treatment option in suitable patients with bothersome LUTS requiring surgical intervention. Full article

Objective: This study investigates the prognostic value and clinical utility of the neutrophil percentage-to-albumin ratio (NPAR) in patients with resected non-small-cell lung cancer (NSCLC). Methods: We retrospectively included 335 patients with NSCLC who underwent lung resection at our institution between January 2017 and October 2018. Optimal cutoffs for preoperative and postoperative day 1 (D1) NPAR were determined using X-tile (version 3.6.1; Yale University, New Haven, CT, USA) to define high and low groups. Overall survival (OS) was evaluated using Kaplan–Meier analysis and Cox proportional hazards models. A perioperative NPAR trajectory (low–low, low–high, high–low, high–high) was constructed to characterize dynamic risk patterns. To mitigate potential bias associated with postoperative measurements, a D1 landmark analysis was performed. A nomogram was developed based on the multivariable model and assessed by calibration at 1, 3, and 5 years. Incremental clinical value beyond TNM stage and surgical approach was evaluated using decision curve analysis (DCA), as well as by 5-year continuous net reclassification improvement (NRI) and integrated discrimination improvement (IDI). Results: The optimal cutoffs for preoperative and postoperative D1 NPAR were 14.5 and 23.1, respectively. In univariate analyses, sex, smoking history, preoperative NPAR, postoperative D1 NPAR, pathologic type, TNM stage, surgical approach, and adjuvant therapy were associated with OS (all p < 0.01). In multivariable Cox regression, high preoperative NPAR (HR 1.896, 95% CI 1.135–3.168; p = 0.014) and high postoperative D1 NPAR (HR 1.905, 95% CI 1.097–3.305; p = 0.014) were independent risk factors, along with TNM stage (Stage II: HR 2.824, 95% CI 1.209–6.595; p = 0.016; Stage III: HR 9.470, 95% CI 4.935–18.171; p < 0.001) and open surgery (HR 2.350, 95% CI 1.341–4.117; p = 0.003). Trajectory analysis further stratified risk, with the high–high group showing the poorest survival (adjusted HR 3.48, 95% CI 1.43–8.47; p = 0.006). The association of postoperative NPAR persisted in the D1 landmark analysis (HR 1.836, 95% CI 1.071–3.148; p = 0.027). Adding NPAR to TNM stage and surgical approach improved 5-year risk reclassification (continuous NRI 0.377, 95% CI 0.094–0.659; IDI 0.028, 95% CI −0.002–0.054) and increased net benefit on DCA. The nomogram demonstrated acceptable calibration at 1, 3, and 5 years. Conclusions: This study demonstrates that NPAR serves as an independent prognostic marker for long-term outcomes in patients with NSCLC. The use of NPAR offers clinicians a comprehensive and precise tool for assessing patient prognosis. Full article