(from the National Cancer Institute's Physician Data Query system, July 2002)
Prognosis is related to the degree of tumor penetration through the bowel wall and the presence of involved lymph nodes.
Survival Rates: Colon and Rectum | |
Stage 0 | >96% |
Stage I | 80-95% |
Stage II | 55-80% |
Stage III | 35-55% involved lymph nodes |
Stage IV | < 15% distant metastases |
Survival Rates: Anus | |
Stage 0 | 100% |
Stage I | > 98% |
Stage II | 80% |
Stage IIIA | 65% |
Stage IIIB | 15% |
Stage IV | Unusual |