Endoscopic submucosal dissection for pharyngeal cancer: removal of supra-oropharyngeal cancer - Ryogo Minami, MD; Ayu Tachibana, MD; Yoshiaki Moriguchi, MD; Eriko Noma, MD; Takeo Arakawa, MD; Tomoko Oonishi, MD, PhD; Shinichiro Horiguchi, MD; Toshiro Iizuka, MD, PhD (VideoGIE, 2023)