What is meant by "clear margins?"

Last Modified: January 24, 2012

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Question

What is meant by "clear margins?"

Answer

Christine Hill-Kayser, MD, Radiation Oncologist, responds:

A clear margin means that a tumor was removed and was surrounded by a rim of normal tissue that did not have cancer cells. This means that the likelihood of cancer cells remaining behind is low.

This question and answer was part of the OncoLink Brown Bag Chat Series. View the entire Interpreting Test Results transcript.