"Source: Freebase - The World's database". . . . . "http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#Stage_II_Ovarian_Cancer"@en. . "Stage II Ovarian Cancer"@en. . _:DDSXicVb221. _:DDSXicVb221 . _:DDSXicVb221 "stage_ii_ovarian_cancer".