1. “Oxidative Stress in the Tumor Microenvironment and Its Relevance to Cancer Immunotherapy”
by Aboelella, N. S.; Brandle, C.; Kim, T.; Ding, Z.-C. and Zhou, G.
Cancers 2021, 13(5), 986; https://doi.org/10.3390/cancers13050986
Available online: https://www.mdpi.com/2072-6694/13/5/986

2. “The Role of Tumor Microenvironment in Multiple Myeloma Development and Progression”
by García-Ortiz, A.; Rodríguez-García, Y.; Encinas, J.; Maroto-Martín, E.; Castellano, E.; Teixidó, J. and Martínez-López, J.
Cancers 2021, 13(2), 217; https://doi.org/10.3390/cancers13020217
Available online: https://www.mdpi.com/2072-6694/13/2/217

3. “The Anti-VEGF(R) Drug Discovery Legacy: Improving Attrition Rates by Breaking the Vicious Cycle of Angiogenesis in Cancer”
by Ribatti, D.; Solimando, A. G. and Pezzella, F.
Cancers 2021, 13(14), 3433; https://doi.org/10.3390/cancers13143433
Available online: https://www.mdpi.com/2072-6694/13/14/3433

4. “The Role of Hypoxia in Glioblastoma Radiotherapy Resistance”
by Chédeville, A. L. and Madureira, P. A.
Cancers 2021, 13(3), 542; https://doi.org/10.3390/cancers13030542
Available online: https://www.mdpi.com/2072-6694/13/3/542

5. “Cytoskeletal Dynamics in Epithelial-Mesenchymal Transition: Insights into Therapeutic Targets for Cancer Metastasis”
by Datta, A.; Deng, S.; Gopal, V.; Yap, K. C.-H.; Halim, C. E.; Lye, M. L.; Ong, M. S.; Tan, T. Z.; Sethi, G.; Hooi, S. C.; Kumar, A. P. and Yap, C. T.
Cancers 2021, 13(8), 1882; https://doi.org/10.3390/cancers13081882
Available online: https://www.mdpi.com/2072-6694/13/8/1882

6. “Gain/Amplification of Chromosome Arm 1q21 in Multiple Myeloma”
by Hanamura, I.
Cancers 2021, 13(2), 256; https://doi.org/10.3390/cancers13020256
Available online: https://www.mdpi.com/2072-6694/13/2/256

7. “Plasmin and Plasminogen System in the Tumor Microenvironment: Implications for Cancer Diagnosis, Prognosis, and Therapy”
by Bharadwaj, A. G.; Holloway, R. W.; Miller, V. A. and Waisman, D. M.
Cancers 2021, 13(8), 1838; https://doi.org/10.3390/cancers13081838
Available online: https://www.mdpi.com/2072-6694/13/8/1838

8. “Collagen Type XI Alpha 1 (COL11A1): A Novel Biomarker and a Key Player in Cancer”
by Nallanthighal, S.; Heiserman, J. P. and Cheon, D.-J.
Cancers 2021, 13(5), 935; https://doi.org/10.3390/cancers13050935
Available online: https://www.mdpi.com/2072-6694/13/5/935

9. “Cancer-Associated Fibroblast-Induced Resistance to Chemotherapy and Radiotherapy in Gastrointestinal Cancers”
by Ham, I.-H.; Lee, D. and Hur, H.
Cancers 2021, 13(5), 1172; https://doi.org/10.3390/cancers13051172
Available online: https://www.mdpi.com/2072-6694/13/5/1172

10. “Role of bFGF in Acquired Resistance upon Anti-VEGF Therapy in Cancer”
by Zahra, F. T.; Sajib, M. S. and Mikelis, C. M.
Cancers 2021, 13(6), 1422; https://doi.org/10.3390/cancers13061422
Available online: https://www.mdpi.com/2072-6694/13/6/1422