LONG‐TERM FOLLOW‐UP OF PATIENTS WITH NON‐HODGKIN PRIMARY DIFFUSE LARGE B‐CELL LYMPHOMA OF THE STOMACH: BETTER OUTCOME AFTER IMMUNOCHEMOTHERAPY. (June 2017) - Hatjiharissi, E.; Diamantidis, M.D.; Papadopoulou, A.; Chatzileontiadou, S.; Gerofotis, A.; Pouptsis, A.; Karabatzakis, N.; Pentidou, K.; Patakiouta, F.; Constantinou, N.; Papaioannou, M.