RASSF1 and renal pelvis/ureter urothelial carcinoma: In a previous study conducted in China, the methylation status of 10 selected genes among them, ABCC6, BRCA1, CDH1, GDF15, HSPA2, RASSF1A, SALL3, THBS1, TMEFF2, and VIM was tested during the detection of BC and UTUC.