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|−|An area of abnormal tissue . A lesion may be benign (not cancer) or malignant ( cancer). |+|
abnormal tissue or ().
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Latest revision as of 16:17, 9 October 2019
A lesion is any damage or abnormal change in the tissue of an organism, usually caused by disease or trauma. Lesion is derived from the Latin laesio "injury". Lesions may occur in plants as well as animals.