The occurrence of cancer of the colon or rectum (parts of the large intestine) is colorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer. Signs and symptoms may include blood in the stool, a shift in bowel movements, weight loss, and exhaustion. Benign, or non-cancerous, or malignant cancer can be colorectal. A cancer that is malignant can spread to and affect other parts of the body.
