National Cancer Institute National Cancer Institute
U.S. National Institutes of Health National Cancer Institute
Dictionary of Cancer Terms
Send to Printer
lesion (LEE-zhun)

 An area of abnormal tissue. A lesion may be benign (noncancerous) or malignant (cancerous).

Previous Definitions:leptomeningeal, leptomeningeal cancer, leptomeningeal metastasis, leridistim, lerisetron
Next Definitions:lestaurtinib, lethargy, letrozole, leucovorin, leucovorin calcium