日本胸外科协会于1994年1月至1994年12月对肺癌开胸术后30天内死亡情况进行了调查。这是继北美肺癌研究机构后的又一次类似大规模调查。结果肺癌开胸术后30天内死亡率（以下简称死亡率）为1．3％。按手术方法分成的3组（全肺切除组、肺叶切除组和损伤较小的手术组）中，死亡率 The Japanese Society of Thoracic Surgery conducted a survey of the deaths of patients with lung cancer within 30 days after thoracic surgery from January 1994 to December 1994. This is another similar large-scale investigation following the North American Lung Cancer Research Institute. Results The mortality within 30 days after lung cancer was opened (hereinafter referred to as mortality rate) was 1.3%. Mortality rate in the three groups classified by surgical methods (pulmonary resection group, lobectomy group, and surgery group with less injury)