NON‐MEDIASTINAL CASES OF GREY ZONE LYMPHOMA: A PATHOLOGICAL AND CLINICAL SERIES OF 17 CASES FROM THE LYSA. (June 2017) - Sarkozy, C.; Mottok, A.; Ghesquieres, H.; Herbeaux, C.; Ben‐Neriah, S.; Chassagne‐Clément, C.; Copie‐Bergmann, C.; Picquenot, J.; Cornillon, J.; Lemal, R.; Bonnet, A.; Manson, G.; et al.