73.50歲男性病人主訴最近肉眼可見血尿。下圖為靜脈注射尿路X光攝影(intravenous urography)。最可能的診 斷為何? (A)renal cell carcinoma (B)renal lymphoma (C)renal urothelial cell carcinoma (D)renal angiomyolipoma