Risk Stratification Based on Endoscopic Ulcerative Findings in Patients with Endoscopic Non-Complete Response after Neoadjuvant Chemoradiotherapy for Locally Advanced Rectal Cancer

Objectives: Few studies have evaluated ulcerative findings after chemoradiotherapy (CRT) or total neoadjuvant therapy (TNT) for rectal cancer. This study aimed to evaluate risk stratification based on ulcerative findings and their association with pathological non-complete response (pNon-CR) in patients classified as endoscopic non-complete response (eNon-CR).