College of American Pathology Tumor Regression Grade

**Semantic type:** Intellectual Product

**Definition:** A grading system developed by the College of American Pathology to assess a decrease in tumor size or extent in the body (Shi C, Adsay V, Bergsland E, Berlin J, Branton P, Fitzgibbons P, et al. College of American pathologist, protocol for the examination of specimens from patients with carcinoma of the pancreas. Version: PancreasExocrine 4.0.0.1. (2017).)

**Synonyms:** - CAP TUMOR REGRESSION GRADE - CAP Tumor Regression Grade