peptic ulcer disease gastroduodenitis DOID:8759 DOID:8777 DOID:8776 DOID:9223 DOID:8572 DOID:8571 ICD9CM:535.4 UMLS_CUI:C0029800 DOID:8644 disease_ontology SNOMEDCT_US_2025_09_01:196737009