Colorectal cancer symptoms: Symptoms of colon cancer can include

Symptoms of colon cancer can include: A change in bowel habits, such as more-frequent, looser stools or diarrhea, constipation, or changes in stool shape. Rectal bleeding or blood in the stool. Dark, black-colored tarry stools. WHO fact sheet on colorectal cancer , including risk factors, symptoms , treatments and prevention. Here are six signs of colon cancer you should report to your provider. 1. Changes in Bowel Habits. One of the earliest signs of colon cancer is changes in bowel habits, including frequency and consistency. These changes include –. Regular constipation or diarrhea: Inform your provider if your bowel movements are more frequent or looser than normal. Discover the 10 early warning signs of colorectal cancer that you should never ignore. Learn about symptoms, prevention tips, and when to see a doctor for early detection and better treatment outcomes.