Dietary Upper Gastrointestinal Stricture Caused by MushroomsYuto Shiozaki, MD1,2, Takuya Otsuki, MD, PhD1,2, Kosuke Ishizuka, MD, PhD, FHGM3,4, Yuichi Kato, MD1,2, Kenya Ie, MD, PhD, MPH1,2, Chiaki Okuse, MD, PhD1,21Department of General Internal Medicine, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan2Department of General Internal Medicine, Kawasaki Municipal Tama Hospital, Kawasaki, Kanagawa, Japan3Department of General Medicine, Yokohama City University School of Medicine, Yokohama, Kanagawa, Japan4Department of General Medicine, Yokohama City University Medical Center, Yokohama, Kanagawa, Japan