More than 95% of colorectal cancers come from adenocarcinoma polyps. These cancers start in cells that form mucus glands, which lubricate the colon and rectum. A polyp is a group of cells that form on top of each other and may eventually turn cancerous. Carcinoid tumors, gastrointestinal stromal tumors and lymphomas also cause 5% of [...]

It’s estimated that there will be 106,100 new cases of colon cancer and 49,920 colon cancer deaths in the United States this year. For American men, colon cancer colorectal cancer is the third leading cause of cancer death (25,240), following prostate (27,360) and lung (88,900). For American women, colorectal cancer is also the third-most cause [...]

Roughly 30% of middle-aged and older Americans have one or more polyps on the surface of the colon, which are relatively harmless but may become cancerous over time. While anyone can develop a polyp, some people are at higher risk of turning up with one during a bowel cancer screening, such as those over 50, [...]