中心型肺癌５０例临床分析李忠勤，林祥珍（内科学教研室，泰安市第二人民医院）肺癌是最常见的恶性肿瘤之一，其中又以中心型居多。本病早期常缺乏特征性的临床症状及体征，而晚期者又已失去手术时机。本组所统计的５０例，均为确诊时即已无手术指征的患者，现报告如下。... Clinical analysis of 50 patients with central lung cancer Li Zhongqin, Lin Xiangzhen (Department of Internal Medicine, Second People’s Hospital of Taian) Lung cancer is one of the most common malignancies, with the majority being centered. The early stage of this disease often lacks the characteristic clinical symptoms and signs, and the late stage has lost the opportunity for surgery. The 50 cases in this group were all patients who had no surgical indications at the time of diagnosis. The current report is as follows. ...