临床资料患者,男,60岁,体检发现肺占位入院。偶有咳嗽、咳痰,痰为白色泡沫状、无痰中带血,无胸闷、胸痛。抽烟40年,每天20支左右。胸部CT示:右肺下叶背段见孤立结节,大小约10 mm×12 mm,密度较均匀,边缘较光滑,增强扫描呈轻度强化,强化均匀(图1)。右肺上叶后段下缘邻近叶间胸膜处见小类结节(图2)。双肺实质内见多发小囊状低密度。排除相关手术禁忌后,行单操作孔电视胸腔镜 Clinical data Patients, male, 60 years old, physical examination found lung occupancy. Occasional cough, sputum, sputum as a white foam, no sputum bloody, no chest tightness, chest pain. Smoking 40 years, about 20 per day. Chest CT showed: the right lower lobe of the back of the segment, see the isolated nodules, the size of about 10 mm × 12 mm, more uniform density, smooth edges, enhanced scan showed mild enhancement, enhanced uniform (Figure 1). The lower edge of the posterior segment of the right lung adjacent to the interlobar pleural nodules (see Figure 2). Pneumocystis parvocellular low density. Exclude related taboo surgery, line single-operation hole video-assisted thoracoscopy