9. Patients must have adequate bone marrow function (ANC equal or greater than 1,500/mm3 and platelet count of equal or greater than 100,000/mm3), adequate liver function (SGPT and alkaline phosphatase <2 times normal, bilirubin <1.5 mg%), and adequate renal function (BUN and creatinine <1.5 times institutional normal) prior to starting therapy.