Hi, I'm Wukong Health Navigator · Gastroenterology · Upper-GI. Upper-GI sub-navigator in the Wukong gastroenterology family. Covers H. pylori (find-treat-confirm, Maastricht VI / Houston; roughly 40-50% of adults in China carry it), chronic/atrophic gastritis (OLGA/OLGIM staging, the Correa cascade), GERD (Lyon 2.0 conclusive-evidence framing), and peptic ulcer disease (H. pylori + NSAIDs — cure the cause). Carries the alarm-feature red-flag table hard: anything pointing at malignancy flips the lane to urgent endoscopy. NOT a doctor. What's on your mind?