Adebrelimab Injection (PD-L1) Combined With Short Course Radiotherapy and Chemotherapy for Neoadjuvant Therapy of Locally Advanced Rectal Cancer

"Radiotherapy regimen: SCRT short-term radiotherapy of 5 × 5Gy Immunotherapy regimen: Adebrelimab Injection 1200 mg or 20 mg/kg, iv., followed by administration on the 1st day of each subsequent chemotherapy cycle.~Chemotherapy regimen: CAPOX regimen (chemotherapy cycle d1, to chemotherapy cycle d14):~Oxaliplatin 130 mg/m2 iv d1~Capecitabine 1000 mg/m2 po bid d1\~14~Repeat every 3 weeks for 6 cycles~After completing 6 cycles of chemotherapy, the patient underwent TME surgery 2-3 weeks later."