get_tumor_types         Get tumor types
get_versions            Get OncoTree versions
map_ontology_code       Map tumor types across ontologies
nci_to_oncotree         Map NCI to OncoTree codes
oncotree_to_nci         Map OncoTree to NCIt codes
oncotree_to_umls        Map OncoTree to UMLS codes
open_in_nci_thesaurus   Browse the NCIt
umls_to_oncotree        Map UMLS to OncoTree codes
