Postoperative Radiation With or Without Concurrent Chemotherapy for Patients With Locally Advanced Head and Neck Squamous Cell Carcinoma With Multiple Intermediate Risks: A Propensity Score-Matched Study

局部晚期头颈部鳞状细胞癌伴多发性中危患者术后放疗联合或不联合同步化疗：一项倾向评分匹配研究