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术前外照射辅以全身化疗对浸透肠壁的Ｔ３期或（和）淋巴结阳性的可切除直肠癌已成为一种有效的辅助治疗方法，尽管可以提高生存率，但３～４级毒副反应也随之增加。该研究的目的是评价术前中等剂量的放疗辅以化疗是否可以提高Ｔ３期和（或）淋巴结阳性的直肠癌肿瘤可切除...
Preoperative external irradiation combined with systemic chemotherapy has become an effective adjunctive treatment for T3 or (and) lymph node-positive resectable rectal cancer that penetrates the intestinal wall. Although it can improve survival, Grade 3 to 4 toxicity It also increases. The purpose of this study was to evaluate whether preoperative moderate-dose radiotherapy supplemented with chemotherapy can improve T3 and/or lymph node positive rectal cancer resection...