Jianzhong Qushi in Chronic RRI

Inclusion Criteria: * Age 18 - 85 years old * ECOG score ≤ 2 * Pathologically confirmed malignant tumor * Received pelvic radiotherapy, and it has been ≥ 3 months since the end of radiotherapy ; * Meet the diagnostic criteria for chronic radiation proctitis in the "2023 Edition of the Practice Guidelines for the Prevention and Treatment of Radiation Proctitis" or the "2023 Edition of the Expert Consensus on the Diagnosis and Treatment of Radiation Intestinal Injury in Traditional Chinese and Western Medicine in China", with an international grading of level 1 - 2 * Meet the syndrome of spleen deficiency , and the syndrome differentiation is determined according to the "2017 Edition of the Expert Consensus on the Diagnosis and Treatment of Radiation Proctitis (Intestinal Syndrome) in Traditional Chinese Medicine" formulated by the Oncology Branch of the China Association of Traditional Chinese Medicine : Basic Syndrome PRO Scale of Spleen Deficiency (meeting 2 main symptoms or 1 main symptom\* + 2 secondary symptoms#). * Hemoglobin ≥ 100 g / L, neutrophils ≥ 1.5 × 10\^9\^ / L * Serum creatinine ≤ 1.25 times the upper normal limit (UNL) * Total bilirubin ≤ 1.5 times UNL, alanine aminotransferase and aspartate aminotransferase ≤ 2.5 times UNL * The patient has signed the informed consent form * The patient agrees to cooperate with the follow - up. \*Main symptoms included abdominal distension ,anorexia,tenesmus, unsatisfactory bowel movement and fatigue. * Secondary symptoms…