Concurrent palliative radiation with pembrolizumab for platinum-refractory urothelial carcinoma is associated with improved overall survival oleh Keita Nakamori, Shogo Yamazaki, Kazumasa Komura, Wataru Fukuokaya, Takahiro Adachi, Yosuke Hirasawa, Takeshi Hashimoto, Atsuhiko Yoshizawa, Takaya Ohno, Yusuke Yano, Kazuki Nishimura, Satoshi Tokushige, Taizo Uchimoto, Shutaro Yamamoto, Kosuke Iwatani, Fumihiko Urabe, Keiichiro Mori, Takafumi Yanagisawa, Shunsuke Tsuduki, Kiyoshi Takahara, Teruo Inamoto, Jun Miki, Takahiro Kimura, Yoshio Ohno, Ryoichi Shiroki, Haruhito Azuma