FIRST LINE SYSTEMIC TREATMENT IN MUCOSA‐ASSOCIATED LYMPHOID TISSUE (MALT) LYMPHOMA NOT ELIGIBLE FOR H. PYLORI ERADICATION – DO WE NEED CHEMOTHERAPY?. (12th June 2019) - Kiesewetter, B.; Lamm, W.; Mayerhoefer, M.E.; Dolak, W.; Lukas, J.; Simonitsch‐Klupp, I.; Raderer, M.