You should call immediately for advice if you develop rectal bleeding. You also should have routine colon examinations starting at age 50. People with a family history of colon cancer at an early age, familial adenomatous polyposis, or Gardner's syndrome should begin screening earlier.
Although it is estimated that 30% of middle-aged and older people have colon polyps, less than 1% of all polyps ever become cancerous. For people who catch and treat colon...Read more