Colon Cancer (Colorectal) Colorectal cancer is a malignant tumor starts in the colon or the rectum. Colorectal cancer can affect all anatomical segments of the large intestine such as the cecum, ascending colon, transverse colon, descending colon, sigmoid colon and rectum but does not affect anal canal cancer which is a separate entity. Colon cancer … Continue reading Colon Cancer (Colorectal) | Symptoms, Stages, Types, Diagnoses, Chances of Surviving, Treatments