esophagitis peptic esophagitis DOID:13976 ICD9CM:530.11 MESH:D004942 Peptic esophagitis Peptic reflux disease Reflux oesophagitis SNOMEDCT_US_2016_03_01:155673008 SNOMEDCT_US_2016_03_01:196600005 SNOMEDCT_US_2016_03_01:266498005 SNOMEDCT_US_2016_03_01:54856001 SNOMEDCT_US_2016_03_01:57643001 UMLS_CUI:C0014869 disease_ontology reflux esophagitis peptic ulcer disease