What is Colorectal Cancer
Colorectal cancer also called as cancer of the large intestine,occurs when the cells that line the colonor the rectum become abnormal and grow out of control.
Most cases of colorectal cancer begin as small, noncancerous (benign) clumps of cells called adenomatous polyps. Over time some of these polyps may turns cancerous. By colonoscopy colon cancer and polyps can be visualized.