A Case of multiple solitary neurofibromas located in the hypopharynx and cervical esophagus, Hamada Kazu, Shimode Yuzo, Hata Yoshiyuki, Kunou Hiroaki, Kobayashi Rika, Matsunaga Kazuhiro, Kawaura Ken, Mukai Tsuyoshi, Kitakata Hidekazu, Itoh Tohru, Okuro Masashi, Yamada Sohsuke, 3:1, Jun. 2022