_:vb50937258 . _:vb50937257 . . "disease_ontology"^^ . "respiratory system benign neoplasm"^^ . _:vb50937256 . _:vb50937258 . _:vb50937259 . _:vb50937256 _:vb50937259 . _:vb50937258 _:vb50937257 . "DOID:0050621"^^ . "An organ system benign neoplasm that is located in the respiratory system which extends from the nasal sinuses to the diaphragm."^^ . . _:vb50937257 . . _:vb50937257 . _:vb50937259 _:vb50937258 . _:vb50937257 . _:vb50937256 . . _:vb50937256 . _:vb50937259 .