Colon cancer, which is also known as rectal cancer, or colorectal cancer, is a malignant growth of cells from the colon or rectum. It occurs because of uncontrolled growth of colon cells, that can invade/spread to other parts of the body. While not uncommon, the cancer can go undetected for a long time, however, the detection of some warning signs enables patients to receive medical care at an early stage. Saurabh Sethi, a Harvard trained Gastroenterologist, reveals these 8 warning signs one must watch out for…