Safety and efficacy of Nodal-Region Sparing Short-Course Radiotherapy Followed by Sequential Chemotherapy With PD-1 Monoclonal Antibody and Bevacizumab versus Short-course Radiotherapy plus Chemotherapy as Total Neoadjuvant Therapy in pMMR/MSS Locally Advanced Rectal Cancer.
Complete Response (CR) Rate of Nodal-Region Sparing Short-Course Radiotherapy Followed by Sequential Chemotherapy With PD-1 Monoclonal Antibody and Bevacizumab versus Short-course Radiotherapy plus Chemotherapy as Total Neoadjuvant Therapy in pMMR/MSS Locally Advanced Rectal Cancer.