title: [A case of acute lymphoblastic in an elderly patient with surface markers of B cell (B1+) and abnormal karyotype of 49,XX +9, +18, -19, +mar1, +mar2].
mesh_terms: D000368:Aged; D000954:Antigens, Surface / Q000032:analysis*; D001402:B-Lymphocytes / Q000276:immunology*; D002869:Chromosome Aberrations; D002902:Chromosomes, Human, 16-18; D002903:Chromosomes, Human, 19-20; D002906:Chromosomes, Human, 6-12 and X; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000235:genetics* / Q000276:immunology
chemical_list: D000954:Antigens, Surface