Total bilirubin < . times upper limit of normal except for known conjugation diseases such as Gilberts; direct bilirubin is not an inclusion criteria TREATMENT WITH SJCAR: Total bilirubin =< times the upper limit of normal for age, except in subjects with Gilberts syndrome Serum bilirubin >= . x upper limit of normal (ULN), patients with Gilberts syndrome and a total bilirubin of < times ULN are permitted) Total bilirubin > times the upper limit of normal OR in patients with Gilberts syndrome, a total bilirubin > . Serum bilirubin > . times the upper limit of normal (ULN) (except patients with Gilberts syndrome: total bilirubin of > x ULN) at the time of screening Total bilirubin =< . times upper limit of normal (x ULN) (=< x ULN if considered to be due to leukemic involvement or Gilberts syndrome) Total bilirubin =< times the upper limit of normal (ULN) (or =< . x ULN if deemed to be elevated due to Gilberts disease or leukemia) Total bilirubin of =< . times upper limit of normal (exception is made for patients with Gilberts syndrome who may be considered eligible if total bilirubin is < times upper limit of normal) Total bilirubin =< times upper limit of normal (x ULN) ( x ULN if considered to be due to leukemia involvement or Gilberts syndrome) Total bilirubin =< times upper limit of normal (x ULN) (=< x ULN if considered to be due to leukemic involvement or Gilberts syndrome) Total bilirubin < times upper limit of normal (unless due to Gilberts syndrome), performed within days prior to registration Serum bilirubin < . times the upper limit of normal (ULN); unless due to Gilberts syndrome (in which < times ULN acceptable) Total bilirubin =< times the upper limit of normal (ULN) (except patients with Gilberts syndrome who must have a total bilirubin of < times ULN) Bilirubin =< . times (x) upper limit of normal (ULN) (except patients with Gilberts syndrome, who must have a total bilirubin less than . mg/dL) Total bilirubin < times the upper limit of normal (ULN) (except patients with Gilberts syndrome who must have a total bilirubin of < times ULN) Total bilirubin < . times the institutional upper limit of normal (ULN); subjects with Gilberts syndrome and total bilirubin >= . times the upper limit of normal are eligible to participate Total bilirubin =< times upper limit of normal (x ULN) (=< x ULN if considered to be due to leukemic involvement or Gilberts syndrome) Total bilirubin =< . times the upper limit of normal (ULN) unless due to Gilberts disease or hemolysis, then =< . times ULN Total bilirubin < times the upper limit of normal (ULN) (except patients with Gilberts syndrome who must have a total bilirubin of < times ULN) Bilirubin < times the upper limit of normal (ULN) (except patients with Gilberts syndrome who must have a total bilirubin of < times ULN) Total bilirubin =< . times upper limit of normal unless due to Gilberts disease within days before enrollment Bilirubin < times the upper limit of normal (ULN) (except patients with Gilberts syndrome who must have a total bilirubin of < times ULN) Serum bilirubin =< . times the upper institutional limits of normal (ULN); patients with a history of Gilberts syndrome may be enrolled if the total bilirubin is < mg/dL with a predominance of indirect bilirubin Total bilirubin =< . times the upper limit of normal (ULN); for patients with known Gilberts disease, total bilirubin should be =< mg/dL Adequate liver function, as evidenced by total serum bilirubin =< . times the upper limit of normal (patients with Gilberts disease are eligible, provided intermittent indirect hyperbilirubinemia) Within weeks of randomization: Serum bilirubin =< . times the upper institutional limits of normal (ULN); patients with a history of Gilberts syndrome may be enrolled if the total bilirubin is < mg/dL with a predominance of indirect bilirubin Total bilirubin =< times upper limit of normal (x ULN) (=< x ULN if considered to be due to leukemic involvement or Gilberts syndrome) Total bilirubin > times upper normal limit (unless due to tumor involvement of liver or a known history of Gilberts disease) Total bilirubin =< . times the upper normal limit (UNL), except patients with Gilberts syndrome in whom total bilirubin must be < . mg/dL Total bilirubin < times the upper limit of normal (ULN) (except patients with Gilberts syndrome who must have a total bilirubin of < times ULN) Total bilirubin less than . times upper limit of normal (ULN), or less than times ULN at study entry in a patient with documented Gilberts disease Total bilirubin < times the upper limit of normal (ULN) (except patients with Gilberts syndrome who must have a total bilirubin of < times ULN) Bilirubin (total) =< . times upper limit normal (with exception of Gilberts syndrome)