Effect of Helicobacter pylori–induced gastric cancer on gastrointestinal microbiota: a narrative review - Heidary, Mohsen; Akrami, Sousan; Madanipour, Tohid; Shakib, Nafiseh Hosseinzadeh; Mahdizade Ari, Marzie; Beig, Masoumeh; Khoshnood, Saeed; Ghanavati, Roya; Bazdar, Monireh (Frontiers in Oncology, 2025)