Abstract
This detailed review of the clinical and pathologic signs which effect the prognosis of patients with colorectal cancer. The following are reviewed: (1) the degree of cellular anaplasia, (2) local penetration of the bowel wall, (3) lymph‐node spread, (4) venous invasion, (5) perineural invasion, (6) obstruction and perforation, and (7) the number of cm the lesion is located from the anal verge.