Hereditary Mixed Polyposis Syndrome, also known as hmps, is related to polyposis syndrome, hereditary mixed, 2 and polyposis syndrome, hereditary mixed, 1. An important gene associated with Hereditary Mixed Polyposis Syndrome is GREM1 (Gremlin 1, DAN Family BMP Antagonist), and among its related pathways/superpathways are Infectious disease and Homology Directed Repair. Affiliated tissues include colon and prostate, and related phenotypes are hematochezia and abnormal bleeding