Osaka Metropolitan University Oct 8 2025 Researchers from Osaka Metropolitan University have discovered how the balance of bacteria in the stomach affects the growth of neuroendocrine tumors (NETs). By identifying the specific bacteria involved and the biochemical reactions that cause tumor growth, the researchers hope to create a new diagnostic technique to detect which patients are most likely to develop cancer. Autoimmune gastritis (AIG) is a long-term condition in which the body's immune