CD274 and hereditary leiomyomatosis and renal cell cancer: The results showed that positive membranous staining for PD-L1 was seen in 59 samples, including HLRCC (31/53), type 1 Papillary RCC (10/31), chromophobe (7/20), hybrid (3/9), TFE-3 rearranged cancer (3/8), Undifferentiated (3/5), and TFEB tumors (2/2).