A cancer of the colon or rectum, located at the digestive tract's lower end.Early cases can begin as noncancerous polyps. These often have no symptoms but can be detected by screening. For this reason, doctors recommend screenings for those at high risk or over the age of 50 When you are facing a diagnosis of rectal cancer, distance should not be a factor in the quality of care you deserve to receive, so if you or your love one is suffering with colon cancer, we are her for you.