HNF1A and chronic atrophic gastritis: Moreover, an advanced predictive model combining microbial signatures of Lacticaseibacillus, Haemophilus, and Campylobacter with twist family bHLH transcription factor 1 methylation levels, age, sex, atrophic gastritis, and intestinal metaplasia demonstrated exceptional accuracy in identifying H. pylori‐negative GC patients, with an AUC of 0.994 (Kim et al. 2024).