autoimmune disease immunoglobulin G4-related sclerosing disease https://github.com/monarch-initiative/mondo/issues/3539 https://www.malacards.org/card/igg4_related_disease multifocal idiopathic fibrosclerosis IgG4-RD NANDO:1200923 NANDO:1200924 IgG4-positive multiorgan lymphoproliferative syndrome immunoglobulin G4-related sclerosing disease GARD:0012521 IgG4-related sclerosing disease Orphanet:596448 IgG4-syndrome Orphanet:284264 IgG4-related systemic disease hyper-IgG4 disease MONDO:0017287 systemic IgG4-related sclerosing syndrome UMLS:C3203653 systemic IgG4-related plasmacytic syndrome A recently described mass-forming lesion that occurs in the pancreas, submandibular glands, lacrimal glands, lymph nodes, and hepatobiliary tract. It is characterized by the presence of marked tissue sclerosis and infiltration by numerous plasma cells. The plasma cells show immunohistochemical staining for IgG4 and the serum IgG4 levels are often increased. IgG4-related autoimmune disease NCIT:C95992 MEDGEN:473761 DOID:0080356 IgG4-related systemic sclerosing disease IgG4-related disease icd11.foundation:99883782 IgG4-associated disease MedDRA:10071569 multifocal fibrosclerosis