7. Patients must have adequate bone marrow function (defined as an absolute neutrophil count of >1500 cells/mm3 and platelet count >100,000 cells/mm3), liver function with Total bilirubin <2.0 mg/dl and SGOT <4 times upper limit of normal, and adequate renal function with serum creatinine ≤ 2 mg/dl, creatinine clearance (24 hour collection) >50 cc/min. (Required labs must be within -7 days of catheter placement)