AUTHOR=Heidary Mohsen , Akrami Sousan , Madanipour Tohid , Shakib Nafiseh Hosseinzadeh , Mahdizade Ari Marzie , Beig Masoumeh , Khoshnood Saeed , Ghanavati Roya , Bazdar Monireh TITLE=Effect of Helicobacter pylori–induced gastric cancer on gastrointestinal microbiota: a narrative review JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1495596 DOI=10.3389/fonc.2024.1495596 ISSN=2234-943X