International Classification of Diseases Ontology	Radiation Oncology Structures Ontology	Source
http://purl.obolibrary.org/obo/UBERON_0001264	urn:absolute:RadiationOncologyStructuresOntology#Pancreas	LOOM
http://purl.obolibrary.org/obo/UBERON_0002107	urn:absolute:RadiationOncologyStructuresOntology#Liver	LOOM
http://purl.obolibrary.org/obo/UBERON_0000955	urn:absolute:RadiationOncologyStructuresOntology#Brain	LOOM
http://purl.obolibrary.org/obo/UBERON_0001043	urn:absolute:RadiationOncologyStructuresOntology#Esophagus	LOOM
http://purl.obolibrary.org/obo/UBERON_0003129	urn:absolute:RadiationOncologyStructuresOntology#Skull	LOOM
http://purl.obolibrary.org/obo/UBERON_0000948	urn:absolute:RadiationOncologyStructuresOntology#Heart	LOOM
http://purl.obolibrary.org/obo/UBERON_0000995	urn:absolute:RadiationOncologyStructuresOntology#Uterus	LOOM
http://purl.obolibrary.org/obo/UBERON_0000945	urn:absolute:RadiationOncologyStructuresOntology#Stomach	LOOM