随着胸部低剂量螺旋CT在老年人健康体检和高危人群肺癌筛查项目中的推广普及,越来越多的病灶小于2厘米的肺内微小结节或磨玻璃样病变被发现,而且双肺多发的肺内微小结节或磨玻璃样病变也日渐增多,其中有70%以上经过外科手术被证实为早期肺癌。早期肺癌标准的外科手术方式是以肺叶为基本单位的肺叶切除加淋巴结清 With the popularization of low-dose chest CT in the elderly health examination and high-risk lung cancer screening project, more and more small pulmonary nodules or ground-glass lesions smaller than 2 cm have been found, Multiple pulmonary nodules or ground-glass ulcer lesions are also increasing, of which more than 70% have been surgically confirmed as early lung cancer. Standard surgical approach to early lung cancer is based on the lung lobes as the basic unit of lobectomy plus lymph node clearance