Real-world efficacy of anti-PD-1 antibody or combined anti-PD-1 plus anti-CTLA-4 antibodies, with or without radiotherapy, in advanced mucosal melanoma patients: A retrospective, multicenter study

Yoshiyasu Umeda, Shusuke Yoshikawa, Yukiko Kiniwa, Takeo Maekawa, Osamu Yamasaki, Taiki Isei, Shigeto Matsushita, Motoo Nomura, Yasuo Nakai, Satoshi Fukushima, Shintaro Saito, Tatsuya Takenouchi, Ryo Tanaka, Hiroshi Kato, Atsushi Otsuka, Taisuke Matsuya, Natsuki Baba, Kotaro Nagase, Takashi Inozume, T Onuma, Yutaka Kuwatsuka, Noriki Fujimoto, Takahide Kaneko, Masazumi Onishi, Kenjiro Namikawa, Naoya Yamazaki, Yasuhiro Nakamura