Notably, HER2/neu and CD20 expression did not differ between patients with c-ALL or precursor-B-ALL in our cohort (SI median 9.0 vs. 15.5, p = 0.53 and 59.4 vs 87.6, p = 0.91, respectively; data not shown). The gene discussed is ERBB2; the disease is acute lymphoblastic leukemia.