Symptoms

Signs and symptoms of rectal cancer include:

• A change in bowel habits, such as diarrhea, constipation or more-frequent bowel movements
• Dark maroon or bright red blood in stool
• Narrow stool
• A feeling that your bowel doesn't empty completely
• Abdominal pain
• Unexplained weight loss
• Weakness or fatigue

When to see a doctor

Make an appointment with your doctor if you have any persistent symptoms that worry you.