FH and hereditary leiomyomatosis and renal cell cancer: In hereditary papillary renal carcinoma (mutation in MET, 7q31.2) and hereditary leiomyomatosis and renal cell cancer (mutation in fumarate hydratase, FH, 1q43) the main histotype of kidney cancer is papillary RCC (pRCC), type 1 and type 2, respectively.