Source:http://linkedlifedata.com/resource/umls/id/C1333878
NCI: A group of lymphomas displaying molecular, morphologic, immunophenotypic, and clinical overlap between classical Hodgkin lymphoma and diffuse large B-cell lymphoma. This term particularly applies to mediastinal lymphomas with overlapping features of mediastinal (thymic) large B-cell lymphoma and classical Hodgkin lymphoma.