GPT and neoplasm: The significant differences between LN− and LN+ groups showed in body mass index; preoperative laboratory findings including hemoglobin, platelet count, albumin, hepatic enzymes (AST and ALT) levels; type of nephrectomy performed, operative extent; and pathological characteristics including T stage, nuclear grade, histology and the presence of sarcomatoid differentiation, tumor necrosis, lymphovascular invasion, and capsule invasion (p < 0.05, Table 1).