Atrophic Gastritis, also known as gastritis, atrophic, is related to pernicious anemia and autoimmune gastritis, and has symptoms including dyspepsia An important gene associated with Atrophic Gastritis is GAST (Gastrin), and among its related pathways/superpathways are IL-1 Family Signaling Pathways and Bacterial infections in CF airways. The drugs Omeprazole and Hydroxocobalamin have been mentioned in the context of this disorder. Affiliated tissues include spleen and liver, and related phenotypes are neoplasm and endocrine/exocrine gland