Multiparametric MRI algorithm for small renal masses. ccRCC- clear cell renal cell carcinoma. chrRCC- chromophobe renal cell carcinoma. pRCC- papillary renal cell carcinoma. ONCO- oncocytoma. AML- angiomyolipoma. SI- signal intensity. Reprinted from Radiologic Clinics of North America, Volume 55, Issue 2, Kay FU and Pedrosa I, “Imaging of Solid Renal Masses,” pg 243–258, Copyright 2017, with permission from Elsevier.