_:vb50952799 "url:http://www.cancer.org/docroot/CRI/content/CRI_2_4_1X_What_is_kidney_cancer_22.asp"^^ . _:vb50952799 . _:vb50952799 "A kidney cancer that is located in the kidney's connective tissue."^^ . _:vb50952799 . _:vb50952799 . _:vb50952799 . _:vb50952799 .