title: Unusual lymphomas developing in chronic lymphocytic leukemia.
mesh_terms: D000368:Aged; D001859:Bone Neoplasms / Q000473:pathology*; D002471:Cell Transformation, Neoplastic / Q000473:pathology; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000473:pathology*; D008223:Lymphoma / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D013601:T-Lymphocytes