Patient description: A 67-year-old healthy woman came to the clinic to have her flu shot in early October. She works at a rehab center and has no underlying disease. It is her first vaccination this year. she is menopausal and has 4 children. She does not some. She takes daily multivitamins and anti-hypertensive drugs. She exercises regularly for 30 minutes a day at least 5 days a week. She has no allergies to any food or drugs.

Clinical trial eligibility criteria: eligible ages (years): 1.0-30.0,  Acute Lymphoblastic Leukemia Adult B Lymphoblastic Lymphoma Ann Arbor Stage I B Lymphoblastic Lymphoma Ann Arbor Stage II B Lymphoblastic Lymphoma Childhood B Acute Lymphoblastic Leukemia Childhood B Acute Lymphoblastic Leukemia With t(9;22)(q34.1;q11.2); BCR-ABL1 Childhood B Lymphoblastic Lymphoma Down Syndrome Hypodiploid B Acute Lymphoblastic Leukemia Philadelphia Chromosome Positive B-ALL patients must be enrolled on AALL08B1 or APEC14B1 (if open for the classification of newly diagnosed ALL patients) prior to treatment and enrollment on AALL0932 Note: B-LLy patients are not eligible for AALL08B1, and can enroll directly onto AALL0932 B-ALL patients must have an initial white blood cell count < 50,000/uL Patients must have newly diagnosed National Cancer Institute (NCI) Standard Risk B-ALL or B-LLy Murphy stages I or II; patients with Down syndrome are also eligible Note: for B-LLy patients with tissue available for flow cytometry, the criterion for diagnosis should be analogous to B-ALL; for tissue processed by other means (i.e. paraffin blocks), the methodology and for immunophenotypic analysis to establish the diagnosis of B-LLy defined by the submitting institution will be accepted All patients and/or their parents or legal guardians must sign a written informed consent All institutional, Food and Drug Administration (FDA), and NCI requirements for human studies must be met  With the exception of steroid pretreatment (defined below) or the administration of intrathecal cytarabine, patients must not have received any prior cytotoxic chemotherapy for either the current diagnosis of B-ALL or B-LLy or for any cancer diagnosed prior to initiation of protocol therapy on AALL0932 Patients receiving prior steroid therapy may be eligible for AALL0932 Patients with central nervous system 3 (CNS3) leukemia CNS status must be known prior to enrollment; (Note: the CNS status must be determined based on a sample obtained prior to administration of any systemic or intrathecal chemotherapy, except for steroid pretreatment); B-LLy patients with CNS3 disease are not eligible for this protocol or the COG HR ALL protocol; it is recommended that intrathecal cytarabine be administered at the time of the diagnostic lumbar puncture; this is usually done at the time of the diagnostic bone marrow or venous line placement to avoid a second lumbar puncture; this is allowed prior to registration; systemic chemotherapy must begin within 72 hours of the first dose of intrathecal therapy B-ALL patients with testicular leukemia are not eligible for AALL0932 For B-LLy patients the following additional apply T-lymphoblastic lymphoma Morphologically unclassifiable lymphoma Absence of both B-cell and T-cell phenotype markers in a case submitted as lymphoblastic lymphoma