Two micro-portal video-assisted thoracic surgery of right S8 segmentectomy with systemic lymphadenectomy - Liu, Honggang; Tong, Liping; Lai, Yuanyang; Duan, Hongtao; Dong, Xiaoping; Zhang, Yong; Sun, Jianyong; Yan, Xiaolong (Current Challenges in Thoracic Surgery, 2021)