Radiation therapy uses X-rays to destroy colorectal cancer cells. It is often combined with surgery or chemotherapy. Radiation therapy may also be used to reduce the cancer's size when it is blocking the colon or rectum or to relieve pain.
Radiation therapy uses X-rays to destroy colorectal cancer cells and shrink tumors. It is often used to treat rectal cancer, usually combined with surgery. It is used less often to treat colon cancer. It may also be combined with chemotherapy.
Colorectal cancer in its early stages usually doesn't cause any symptoms. Symptoms occur later, when the cancer may be more difficult to treat. The most common symptoms include: Pain in the belly. Blood in your stool or very dark stools. A change in your
For people at an average risk for colorectal (colon) cancer The U.S. Preventive Services Task Force ( USPSTF ) has the following advice for colorectal cancer testing: 1 People ages 50 to 75 should have a fecal occult blood test (FOBT),sigmoidoscopy,or colonoscopy. Talk with your doctor about which test is best for you. Some people older than 75 may benefit from screening tests. Others may ...
Cancer is the growth of abnormal cells in the body; these extra cells grow together and form masses, called tumors. In colorectal cancer, these growths usually start as polyps in the large intestine (colon or rectum).