disease arises from feature disease has basis in feature Autoimmunity autoimmune disorder of endocrine system autoimmune disorder of gastrointestinal tract pancreatitis autoimmune pancreatitis https://github.com/monarch-initiative/mondo/issues/5537 https://www.malacards.org/card/autoimmune_pancreatitis AIP NANDO:2200943 SCTID:448542008 GARD:0010911 icd11.foundation:2057951941 lymphoplasmocytic sclerosing pancreatitis DOID:0040091 MedDRA:10069002 MESH:D000081012 NANDO:1200925 MEDGEN:750633 Autoimmune pancreatitis (AIP) is a rare pancreatic disease characterized by chronic non-alcoholic pancreatitis that presents with abdominal pain, steatorrhea, obstructive jaundice and responds well to steroid therapy and is seen in two subforms: type 1 AIP which affects elderly males, involves other organs and has increased immunoglobin G4 (IgG4) levels and type 2 AIP which affects both sexes equally but presents at a younger age and has no other organ involvement or increased IgG4 levels. Orphanet:103919 MONDO:0015175 UMLS:C2609129 immunoglobulin G4-related sclerosing disease