Survival benefit of immune checkpoint inhibitor monotherapy in patients with non-small cell lung cancer recurrence after completely pulmonary resection - Kuroda, Hiroaki; Takahashi, Yusuke; Shirai, Suguru; Takahara, Hirotomo; Nakada, Takeo; Sakakura, Noriaki; Matsushita, Hirokazu (Annals of Translational Medicine, 2021)