title: Acute lymphoblastic leukemia and lymphoma associated with an isochromosome 7q.
mesh_terms: D002869:Chromosome Aberrations; D002906:Chromosomes, Human, 6-12 and X; D006801:Humans; D007945:Leukemia, Lymphoid / Q000235:genetics*; D008223:Lymphoma / Q000235:genetics*