Propensity score–weighted analysis of chemotherapy after PD-1 inhibitors versus chemotherapy alone in patients with non–small cell lung cancer (WJOG10217L) =============================================================================================================================================================== * Ryoji Kato * Hidetoshi Hayashi * Yasutaka Chiba * Eriko Miyawaki * Junichi Shimizu * Tomohiro Ozaki * Daichi Fujimoto * Ryo Toyozawa * Atsushi Nakamura * Toshiyuki Kozuki * Kentaro Tanaka * Shunsuke Teraoka * Kazuhiro Usui * Kazumi Nishino * Osamu Hataji * Keiichi Ota * Noriyuki Ebi * Sho Saeki * Yuki Akazawa * Motoyasu Okuno * Nobuyuki Yamamoto * Kazuhiko Nakagawa