Durable response after cessation of anti‐programmed death 1 therapy in four melanoma patients. Issue 12 (3rd October 2019) - Handa, Toshiya; Kato, Junji; Sumikawa, Yasuyuki; Hida, Tokimasa; Horimoto, Kohei; Sato, Sayuri; Sawada, Masahide; Fujioka, Mao; Minowa, Tomoyuki; Matsui, Yoshiyuki; Uhara, Hisashi