1478PEfficacy of second-line nivolumab after early time to progression on first-line cytotoxic chemotherapy in patients with advanced non-small cell lung cancer (NSCLC). (23rd October 2018) - Ota, T; Kirita, K; Udagawa, H; Umemura, S; Matsumoto, S; Yoh, K; Niho, S; Goto, K