<prompt> Which of the following ALL will not show a dismal prognosis?Age between 1-10 yearsTLC 1 lacPetechiaet9:22  <response>: Prognostic factor in acute lymphoblastic leukemia Excellent prognosis Excellent prognosis t12;21 and TEL-AML1 fusion Hyperdiploidy and trisomy of specific chromosomes 4, 10 and 17 is associated with an excellent prognosis. Age 1 years and 10 years Dismal prognosis t9;22 or Philadelphia chromosome and BCR-ABL fusion Hypodiploidy with chromosome number45 is associated with a poor prognosis Age 10 years WBC 50,000cu.mm3 CNS leukemia at presentation 