Single Biggest Cancer Dictionary in the World

What is lesion?

Pronunciation: /ˈliʒən/

lesion

Definition

An area of abnormal or damaged tissue caused by injury, infection, or disease. A lesion can occur anywhere in or on the body, such as the skin, blood vessels, brain, and other organs. Examples of lesions include wounds, ulcers, abscesses, sores, cysts, and tumors. A lesion may be benign (not cancer) or malignant (cancer).