Dr Philip Smith, Digital and Education Editor of Gut and Consultant Gastroenterologist at the Royal Liverpool Hospital, Liverpool, UK interviews Professor Sugano, Department of Medicine, Jichi Medical University, Tochigi, Japan, about the paper 'Kyoto international consensus report on anatomy, pathophysiology and clinical significance of the gastro-oesophageal junction'. The article is published in paper copy in Gut in August 2022, and available online: https://gut.bmj.com/content/71/8/1488.