Most colon cancers bleed, usually slowly. The stool may be streaked or mixed with blood, but often the blood cannot be seen. The most common first symptom of rectal cancer is bleeding during a bowel movement.
What are the symptoms of stage 1 colon cancer?
Symptoms
- A persistent change in your bowel habits, including diarrhea or constipation or a change in the consistency of your stool.
- Rectal bleeding or blood in your stool.
- Persistent abdominal discomfort, such as cramps, gas or pain.
- A feeling that your bowel doesn't empty completely.
- Weakness or fatigue.
What does bleeding look like with colon cancer?
Rectal bleeding usually comes from bleeding in the lower colon or rectum and is a common symptom of colorectal cancer. Bright red blood on the toilet paper after a bowel movement or red or pink water in the toilet bowl can be signs of rectal bleeding.
