Home/Topics/General Medical Terms/lesion General Medical Terms lesion Listen Save Share Print Meaning of lesion: An area of abnormal tissue. Definition of lesion An area of abnormal tissue. A lesion may be benign (not cancer) or malignant (cancer). Written and maintained by James Murray · Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations. Keep exploringRelated termsMore in General Medical Terms → General Medical Terms benign Not cancerous; often used for a growth that does not invade nearby tissue or spread distantly. Read definition → General Medical Terms acute Having a rapid onset, short course, or marked severity. Read definition → General Medical Terms gram A gram is a small metric unit of mass, widely used in clinical medicine to measure medication doses, body substances, and laboratory quantities. Read definition → General Medical Terms ICE ICE is a combination chemotherapy regimen used for certain lymphomas that have returned or resisted earlier lines of treatment. Read definition →
General Medical Terms benign Not cancerous; often used for a growth that does not invade nearby tissue or spread distantly. Read definition →
General Medical Terms acute Having a rapid onset, short course, or marked severity. Read definition →
General Medical Terms gram A gram is a small metric unit of mass, widely used in clinical medicine to measure medication doses, body substances, and laboratory quantities. Read definition →
General Medical Terms ICE ICE is a combination chemotherapy regimen used for certain lymphomas that have returned or resisted earlier lines of treatment. Read definition →