ocr: Underlyang Condition Associated Cancer Prophylactic Surgery Cryptorchidism Testicular Orchiopexy Polyposis coli Colon Colectomy Familial colon cancer Colon Colectomy Ulcerative colitis Colon Colectomy Multiple endocrine Medullary cancer Thyroidectomy neoplasia types II of the thyroid and III Familial breast Cancer Breast Mastectomy Familial ovarian Ovary Oophorectomy cancer