Date Authored: March 1, 2010

Explanation of margins of resection, including definition of positive, negative and close margins.

PDFs available in Amharic, English, Somali, and Tigrinya. See sidebar.

Adapted and translated with permission from, and funding from Avon and Lance Armstrong Foundations.

surgeon and assistant in the OR
Photo by Lance Cpl. Mark Fikey (cc license).