What is the symptoms of colon rectal cancer?

There may not be any symptoms initially. When symptom do occur, they vary widely depending on the location of the cancer within the large intestine. The first symptom may be an inexplicable change in the bowel habit, persisting for more than 10 days. Other symptoms may include: rectal bleeding, blood in the stool and abdominal pain. Some patients might only feel a general weakness and fatigue due to iron deficiency anaemia. Unexplained weight loss may also be noted