*4.4. Response Evaluation*

Complete response (CR), partial response (PR) and stable disease (SD) were considered as disease control (DC), remaining patients were categorized as progressive disease (PD) using both RECIST 1.1 in CT and modified PERCIST criteria (mPERCIST) in 18F-FDG-PET of combined 18F-FDG-PET/CT.
