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Understanding Your Pathology Report: Key Terms and Diagnostic Markers

Deciphering histological grades, surgical margins, and tumor staging.

Published by OncoGuides Editorial Team • Reading Time: 8 min read • Public Reference Guide (No Login Required)

Histological Grading vs. Staging

Grading reflects how abnormal tumor cells look under a microscope (G1 to G4); staging measures physical tumor spread (TNM).

Negative margins mean no cancer cells are present at the outer edge of excised tissue.

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