title: Null-cell leukemia in course of T-cell lymphoma.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007938:Leukemia / Q000209:etiology / Q000473:pathology*; D008223:Lymphoma / Q000150:complications / Q000473:pathology*; D008228:Lymphoma, Non-Hodgkin / Q000473:pathology; D008479:Mediastinal Neoplasms / Q000150:complications / Q000473:pathology*; D008875:Middle Aged; D013601:T-Lymphocytes