Know The Symptoms

If you have any signs or symptoms of colorectal cancer, do not ignore them. 

You need to tell a doctor.

Colon cancer symptoms and rectal cancer symptoms often overlap. If you experience any of the following colorectal cancer symptoms, talk to your doctor as soon as possible. 

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• Rectal bleeding, or blood in the stool

  
  

• Ongoing changes in bowel habits

  
  

• Stools that are narrower than usual

  
  

• Frequent gas pains, bloating, a feeling of fullness, or abdominal cramps

  
  

• Weight loss for no known reason

  
  

• Feeling very tired (weakness and fatigue)