- Visible blood in the stool or a darkening of stool color as a result of the presence of blood.
- A change in bowel habits.
- Diarrhea, constipation or a feeling that the bowel does not completely empty.
- Pencil thin or narrowing of stool.
- Bloating or frequent gas pains, fullness, or cramps.
- Unexplained weight loss.
1 American Cancer Society. Cancer Facts & Figures 2017.
3 National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology. Colon Cancer. V.3.2008. © National Comprehensive Cancer Network, Inc. 2008. NCCN® and NATIONAL COMPREHENSIVE CANCER NETWORK® are registered trademarks of National Comprehensive Cancer Network, Inc.
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