头颈部肿瘤放疗中出现明显腮腺肿痛胖发热时() ["不必停止放疗与作特殊处理 ","予以漱口水处理即可 ","予热敷治疗即可 ","除口腔清洁卫生外，应予全身抗炎并暂停放疗"] 非小细胞肺癌单纯放疗的5年生存率是() ["<2% ","5~10% ","20% ","30% ","40% "] 肺小细胞未分化癌化放疗后，疗效评价为CR，生存2年以上者脑转移发生率为() ["50% ","40% ","80% ","40~50% ","30% "] 伴重症肌无力的胸腺瘤治疗，首选为() ["手术治疗 ","放射治疗 ","放射治疗+抗胆碱酯酶药 ","手术治疗+抗胆碱酯酶药或同时加激素 ","放疗+抗胆碱酯酶药或同时加激素"] 纵膈肿瘤的首选治疗手段是() ["放射治疗","术前放疗+手术","手术治疗","术前化疗+手术","化疗"] 中心肺癌的定义是()