11.   These subjects had an examination for evaluation of occult blood, positive stools or for screening for colon cancer, or both.

12.   Luminal free fatty acids and bile acids may damage the colonic epithelium and stimulate proliferation, which may increase the risk of colon cancer.

13.   Epidemiological studies indicate that the incidence of colon cancer is positively correlated with the dietary intake of fat, and negatively correlated with the intake of calcium.

14.   These hydrophobic surfactantsmay damage colonic epithelial cells and consequently stimulate the proliferation of colonic crypt cells, which may increase the risk of colon cancer.

15.   Other investigators, using a microdissection technique on biopsy specimens, have reported less proliferative activity in the rectum of patients without colon cancer.

16.   Fozard et al found a weak association between colon cancer and distant dysplasia.

17.   Nor do we yet have evidence that removal of proximal adenomas prevents proximal colon cancer.

18.   Although he was one of the stars, the spotlight was also shared by Stewart, the referee who recently recovered from colon cancer.

19.   Although relatively expensive, colonoscopy is the only proven way to prevent colon cancer and catch it early.

20.   Americans have purchased truck-loads of crystals that were said to cure everything from colon cancer to depression.