New Classification of Benign Epithelial Tumors: Colorectal Polyps and Synchronous Neoplasms: An Update and Critical Assessment: An Analysis of 678 Consecutive Cases and 1137 Polyps.

Objective: We aimed to evaluate of colorectal high-risk polyps and synchronized neoplasms and carcinomas with anatomical localization and demographic characteristics.

Methods: Between July 1, 2018 and July 1, 2022, 1137 polypectomy materials of 678 consecutive patients who were diagnosed in the pathology department and underwent total colonoscopy were included in the study. All epithelial polyps were re-classified according to the World Health Organization classification of digestive system tumors-2019, 5 edition.