Uniportal VATS LS3c+S1+2aii Authors: Yinliang Sheng M.D, Yu Qi Ph.D, Chunyang Zhang Ph.D, Ping Yuan Ph.D,Bin Wu M.D The First Affiliated Hospital of Zhengzhou university Corresponding Author:Yinliang Sheng,1024223908@qq.com,15093145318 Abstract:A GGO lesion with maximum diameter 8 mm is detected in a 49-year old female patient’s left upper lobe 6 months ago. The GGO is located in-between S3c and S1+2,Considering wide angle of sub-segment bronchi from B1+2aii and B1+2ai, and distant lesion from S1+2ai, resection of S3c ad S1+2 is too aggressive to maximumly retain pulmonary function. Resect of S3c+S1+2aii seems more promising, the safe margin can be assured in delight operating, and the S1+2ai can be reserved to retain more pulmonary function. So why not? Three-dimensional reconstruction of pulmonary blood vessels and trachea before surgery is helpful for us to understand the location of lesions and the anatomy of target trachea and blood vessels, and to plan the surgical steps and scope of resection in advance. We finally complete the resection of LS3c+S1+2aii. Conflict of interests: None.

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