_:vb50955173 . _:vb50955173 . _:vb50955173 "url:http://www.malacards.org/card/ovarian_endometrioid_cystadenoma"^^ . _:vb50955173 "An ovarian cystadenoma that is characterized by the presence of endometrial tissue."^^ . _:vb50955173 . _:vb50955173 . _:vb50955173 .