RT Journal Article SR Electronic T1 66-year-old man with refractory dysphagia JF Frontline Gastroenterology JO Frontline Gastroenterol FD BMJ Publishing Group Ltd SP 177 OP 178 DO 10.1136/flgastro-2024-102831 VO 16 IS 2 A1 Bai, Xiaoyin A1 Li, Xiaoqing A1 Wang, Zhifeng A1 Wu, Xi A1 Wu, Dong YR 2025 UL http://fg.bmj.com/content/16/2/177.abstract AB