MKI67 and renal pelvis/ureter urothelial carcinoma: We therefore investigated the relationship between G-CSF expression and various cancer-related molecules, including Ki-67, PD-L1, CD8, CD44v9, HER2, EGFR, FGFR3, p53, GATA3, and CK5/6 in the 112 cases of UTUC.