title: Rapid transformation of atypical chronic lymphocytic leukemia to acute lymphoblastic leukemia.
mesh_terms: D000368:Aged; D014408:Biomarkers, Tumor / Q000276:immunology; D006801:Humans; D007945:Leukemia, Lymphoid / Q000276:immunology*; D008213:Lymphocyte Activation; D008297:Male
chemical_list: D014408:Biomarkers, Tumor