Radiation therapy, Brachytherapy, Proton therapy, External beam radiation therapy, Intraoperative radiation therapy, In...tensity-modulated radiation therapy, Radiation therapy for bladder cancer, Colon cancer, Liver cancer, Cervical cancer, Pancreatic cancer, Rectal cancer, Ovarian cancer, Endometrial cancer, Soft tissue sarcoma, Stomach cancer, Cholangiocarcinoma, Esophageal cancer, Vulvar cancer, Vaginal cancer, Rhabdomyosarcoma, Bone cancer, Ampullary cancer, Hilar cholangiocarcinoma, Anal cancer, Stage 4 colorectal cancer, Sarcoma, Chondrosarcoma, Ewing sarcoma, Leiomyosarcoma, Small bowel cancer, Retroperitoneal sarcoma, Rectal melanoma, Duodenal cancer, Metastatic pancreatic cancer, Metastatic stomach cancer, Metastatic esophageal cancer