Colon is the lowest part of the digestive system. It is the another name for large intestine. The colon helps to absorb water and salts from the stools which then passes through the rectum and finally exits through anus. Colon cancer is the malignant growth in the cells of the large intestine. This cancer usually develops from adenomatous polyps. These are small non-cancerous tumors that form on the walls of the large intestine. Early diagnosis and removal of polyps through colonoscopy preven...