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What the difference between malignant and benign?

By Lisa Fayed, About.com

Updated: October 13, 2005

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

Question: What the difference between malignant and benign?
Answer: Malignant and benign are medical terms that are often confused with the other.

Malignantis cancerous. Malignant tumors can invade and destroy nearby tissue and spread to other parts of the body.

Benign is not cancerous. Benign tumors may grow larger but do not spread to other parts of the body.



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