CLINICAL SIGNIFICANCE OF T‐CELL EXHAUSTION IN PATIENTS WITH DIFFUSE LARGE B‐CELL LYMPHOMA. (12th June 2019) - Leppä, S.; Autio, M.; Brück, O.; Mustjoki, S.; Jørgensen, J.; Karjalainen‐Lindsberg, M.; Beiske, K.; Holte, H.; Pellinen, T.; Leivonen, S.