bone marrow function (ANC = 1,500/uL, Platelet = 100,000/ uL, Hb = 8.0 g/dl) renal function: serum creatinine = UNL (if serum creatinine > ULN, creatinine clearance should be = 60 mL/min) hepatic function (Total bilirubin < 2 x UNL and AST/ALT levels < 3 x ULN without liver metastasis, total bilirubin < 3x ULN and AST/ALT levels < 5 x ULN with liver metastasis)