1. The document discusses various cancers of the gastrointestinal tract including esophageal, stomach, pancreatic, rectal, and anal cancers. 2. For each cancer, it describes the anatomy, routes of spread, common treatments including radiation therapy techniques and doses, and positioning and immobilization for radiation therapy. 3. It also discusses genitourinary cancers including bladder and prostate cancer as well as gynecological cancers focusing on uterine cervix cancer.