Efficacy of regorafenib and 5-fluorouracil-based rechallenge treatment in the third-line treatment of metastatic colorectal cancer: A Turkish oncology group study.

Medicine, Regorafenib, Colorectal cancer, Internal medicine, Chemotherapy, Fluorouracil, Oncology, Regimen, Chemotherapy regimen, Proportional hazards model, Oxaliplatin, Cancer