Calculated creatinine clearance or radioisotope glomerular filtration rate < 70 mL/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 OR Measured creatinine clearance > 70 ml/min/1.73 m^2 or normal radioisotope glomerular filtration rate (GFR) Creatinine clearance or radioisotope Glomerular Filtration Rate ? 70millileters/minute/1.73 meters2 or a normal serum creatinine based on age/gender Serum creatinine =< 1.5x ULN for age OR a creatinine clearance or radioisotope GFR >= 70ml/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or Glomerular filtration rate (GFR), calculated via I-125 iothalamate clearance, 24-hour creatinine clearance, or Schwartz formula, >= 70 mL/min or >= 50 mL/min/1.73 m^2 done within 4 weeks prior to study entry TREATMENT WITH SJCAR19: Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 50 ml/min/1.73 m^2 (GFR >= 40 ml/min/1.73 m^2 if < 2 years of age) Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70mL/min/1.73 m^2. Serum creatinine =< 1.5 x upper limit of normal (ULN) for age; if the serum creatinine is above these values, the calculated creatinine clearance or radioisotope glomerular filtration rate (GFR) must be >= 70 mL/min/1.73 m^2 Serum creatinine =< 1.5 x the upper limit of normal for age as per local laboratory and 24 hour urine creatinine clearance > 70 mL/min/1.73 m^2 OR glomerular filtration rate (GFR) > 70 mL/min/1.73 m^2 by radionuclide GFR Subject has adequate renal function defined as: Adequate real function with Sserum creatinine based on age/gender calculated using the Schwartz formula as described in protocol, or a 24-hour creatinine clearance or radioisotope glomerular filtration rate (GFR) (radioisotope or iothalamate) ? 70 mL/min/1.73 m2. Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 60 ml/min/1.73 m^2, OR Maximum serum creatinine 1.5 mg/dL OR a creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70ml/min/1.73 m^2 Creatinine greater than > 2 x ULN for age or creatinine clearance/glomerular filtration rate (GFR) < 40 ml/min/1.73 m^2 Creatinine clearance or glomerular filtration rate (GFR) > 60 mL/min/1.73 m^2; if a creatinine clearance is performed at end induction and the result is < 100 ml/min/1.73 m^2, a GFR must then be performed using a nuclear blood sampling method or iothalamate clearance method; camera method is NOT allowed as measure of GFR prior to or during consolidation therapy for patients with GFR or creatinine clearance of < 100 ml/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 60 ml/min/1.73m^2 Serum creatinine concentration =< 3 x the institutional upper limit of normal (ULN) or creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 Serum creatinine based on age or creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/ml/min/1.73 m^2 Creatinine clearance or radioisotope GFR ? 70ml/min/1.73 m² OR age/gender appropriate serum creatinine. ELIGIBILITY CRITERIA FOR T-CELL PRODUCT INFUSION: Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or a normal serum creatinine based on age/gender Serum creatinine > 1.5 x the upper limit of normal for age, or calculated creatinine clearance or nuclear glomerular filtration rate (GFR) < 70 ml/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) > 70 ml/min/1.73 m^2 or normal serum creatinine for patient’s age and gender Serum creatinine =< 1.5 x upper limit of normal (ULN) for age or creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 Serum Creatinine <~ 1.5 x normal, or creatinine clearance of 70 ml/min/1.73 m^2 or an equivalent glomerular filtration rate (GFR) as determined by the institutional normal range Creatinine clearance or radioisotope GFR 70ml/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or Serum creatinine =< 1.5 x upper limit of normal or a creatinine clearance or glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or Patients with severe renal disease (i.e. measured or estimated creatinine clearance or radioisotope glomerular filtration rate [GFR] =< 70 ml/min/1.73 m^2) Creatinine clearance or radioisotope glomerular filtration rate >= 60 mL/min Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or Creatinine clearance calculated using the Schwartz formula, or radioisotope glomerular filtration rate (GFR) > 70 mL/min/1.73 m2. Renal function defined as (Calculated creatinine clearance or radioisotope Glomerular Filtration Rate (GFR) > 60 mL/min/1.73 m2 OR serum creatinine based on age/gender Creatinine clearance or radioisotope GFR ? 70mL/min/1.73m2 or serum creatinine based on age/gender. Creatinine clearance or estimated radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or Creatinine =< 1.5 times ULN for age OR a creatinine clearance or glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2; obtained =< 7 days prior to registration Maximum serum creatinine 1.5 mg/dL OR a creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 Subjects must have a serum creatinine level that is ? 1.5 × institutional upper limit of normal (ULN) according to age. If serum creatinine level is > 1.5 × ULN, the subject must have a calculated creatinine clearance or radioisotope glomerular filtration rate (GFR) ? 70 mL/min/1.73 m2. Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 OR Serum creatinine =< upper limit of normal (ULN) for age; if serum creatinine above these values, the calculated creatinine clearance or radioisotope glomerular filtration rate (GFR) must be >= 60 ml/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 Patient must have a calculated creatinine clearance or radioisotope GFR > 60mL/min/1.73m2 or a normal serum creatinine based on age/gender Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 or Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 Serum creatinine =< 1.5 x institutional upper limit of normal (ULN) for age; if the serum creatinine is above these values, the calculated creatinine clearance or radioisotope glomerular filtration rate (GFR) must be >= 60 mL/min/1.73m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 100 ml/min/1.73 m^2 Creatinine clearance or radioisotope GFR >= 60 ml/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 30 mL/min/1.73 m^2 Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 mL/min/1.73 m^2 OR