gray zone lymphoma gray zone lymphoma gray zone lymphoma, often presenting as large tumors in the mediastinum, is a type of lymphoma that is characterized by having cellular features of both classic hodgkin's lymphomas (chl) and large b-cell lymphomas. sources traverse-glehen a, mediastinal gray zone lymphoma: the missing link between classic hodgkin's lymphoma and mediastinal large b-cell lymphoma. am j surg pathol 2005 nov; 29(11):1411-21 hodgkin’s lymphoma and grey-zone lymphomas this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.