The cancer of the bottom portion of the large intestine or the colon nearer to the anus is called Rectal Cancer. Initially it is not possible to understand the symptoms of the colon cancer but with the advancement of the disease the patient. In women there may be a pelvic pain, persistent lower back pain, abdominal bloating, bleeding of vagina abnormally, persistent stomach upset, change in breast, weight loss, abnormality in the vagina and fatigue which are the signs for the cancer which may be fatal. In men generally the change in the habits of bowel, fatigue, narrow stools, abdominal pain and cramps. Both men and women suffer from blood loss for a long period of time. This causes weakness and shortage of breath.