signs of colon cancer
Some symptoms and signs of colon cancer are blood in the stool, dark-colored stool, change in bowel habits, constipation, diarrhea, or narrow stools. Abdominal pain, cramping, or bloating may occur. Nonspecific symptoms of colon cancer can include weight loss, fatigue, weakness, and shortness of breath.
Symptoms occur later, when the cancer may be harder to treat. The most common symptoms include: 1  Pain in the belly. 2  Blood in your stool or very dark stools. 3  A change in your bowel habits. ( 4 You may have more frequent stools or a feeling that your bowels aren't emptying completely). 5  Constant tiredness (fatigue).