Pathologic complete response after neoadjuvant tislelizumab and chemotherapy for Pancoast tumor: A case report oleh Wen‐Fang Tang, Wei Xu, Wei‐Zhao Huang, Gui‐Nan Lin, Yu‐Mei Zeng, Jie‐Shan Lin, Min Wu, Hua Bao, Jie‐Wen Peng, Hai‐Ming Jiang, Heng‐Qiang Wang, Ying‐Meng Wu, Hong‐Yu Ye, Yi Liang