³í¹®) High Carbohydrate Antigigen 19-9 Levels Indicate Poor Prognosis of Upper Tract Urothelial Carcinoma ¼¿ï´ëº´¿ø ºñ´¢ÀÇÇаú ±¸ÀÚÇö(»çÁø ñ§)·À°Çüµ¿(ñé)·Á¤½Âȯ ±³¼ö(éÓ)ÆÀ