_:vb50956003 . . _:vb50956003 . _:vb50956004 _:vb50956003 . _:vb50956002 . "UMLS_CUI:C1334644"^^ . "disease_ontology"^^ . "NCI:C35868"^^ . _:vb50956003 . _:vb50956003 . . "A cholesteatoma located_in paranasal sinus."^^ . _:vb50956005 _:vb50956004 . _:vb50956002 . _:vb50956005 . _:vb50956002 . . _:vb50956004 . _:vb50956004 . _:vb50956005 . "maxillary sinus cholesteatoma"^^ . . _:vb50956002 _:vb50956005 . . "DOID:867"^^ .