Risk of immunotherapy-related narcolepsy in genetically predisposed patients: a case report of narcolepsy after administration of pembrolizumab =============================================================================================================================================== * Yutaka Natori * Eisaku Sasaki * Shu Soeda * Shigenori Furukawa * Yusuke Azami * Emi Tokuda * Takashi Kanbayashi * Shigehira Saji