目的:对比分析头颈部恶性肿瘤患者调强放疗中常规头枕联合头颈肩热塑膜和发泡泡沫垫联合头颈肩热塑膜两种体位固定方式的摆位误差......

目的:对比分析局部晚期肺癌患者(locally advanced none small cell lung cancer,LA-NSCLC)调强放疗(intensity modulated radioth......