title: [Transformation of a low grade lymphoma into another of higher grade malignancy].
mesh_terms: D003937:Diagnosis, Differential; D004067:Digestive System Neoplasms / Q000473:pathology*; D006801:Humans; D015451:Leukemia, Lymphocytic, Chronic, B-Cell / Q000473:pathology*; D008175:Lung Neoplasms / Q000556:secondary; D008297:Male; D008875:Middle Aged; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000473:pathology*
vernacular_title: Transformación de un linfoma de bajo grado en otro de alto grado de malignidad.