"Lesion size" refers to the measurement or extent of an abnormal area or injury in the body, such as a wound, tumor, or damaged tissue. It helps determine the severity or extent of the problem. Full definition
The regression equation for correlation between pSTAT5 and apoptosis was configured to include lesion size (total number of cells in the lesion) along with pSTAT5 % as potential predictive factors of apoptosis, and only pertains to lesions from a single mouse (red). (elifesciences.org)
In a mouse model of atherosclerosis, inulin consumption for 16 weeks reduced serum cholesterol, serum triglycerides, and atherosclerotic lesion size by 35 percent (38). (kresserinstitute.com)