RecruitingPhase 2Drug trialLiposomal Irinotecan, Capecitabine and Enlonstobart With Short-Course Radiotherapy for Locally Advanced Rectal CancerThis is a prospective, single-center, single-arm study evaluating the combination regimen of liposomal irinotecan, capecitabine, and enlonstobart combined with short-course radiotherapy as neoadjuvant therapy for locally advanced rectal cancer.