Tumor Anatomy Affects Survival in Colon Cancer

Single anatomical access points in tumor deposits correlate with better survival.

Study involved 280 tumor deposits from 127 patients.

Haematovascular invasion occurred in 57 percent of tumor deposits.

Larger tumor deposits more often had multiple access points.

Survival rates: 51 percent (single), 26 percent (two), 29 percent (three) access points.

Immunohistochemical staining used for classification.

21 percent of tumor deposits unclassifiable despite extensive sectioning.