Adequate major organ function [in adults: serum creatinine less than or equal to 1.5 mg/dl or creatinine clearance greater than 60 ml/min; and in children serum CR less than or equal to age-adjusted normal (age 12 to 15 maximum serum creatinine 1.2 mg/dl and age greater than 15 maximum serum creatinine 1.5 mg/dl); bilirubin less than 1.5 mg/dl; ANC greater than 1,000 and platelets greater than 100,000) unless impairment is due to organ involvement by lymphoma or immune-mediated mechanism caused by lymphoma.