RESULTS OF A MULTICENTER PHASE2 TRIAL OF INVOLVED FIELD RADIOTHERAPY ALONE FOR LOCALIZED NON‐GASTRIC MARGINAL ZONE LYMPHOMA: TROG 05.02. (12th June 2019) - MacManus, M.P.; Roos, D.; O'Brien, P.; Tsang, R.; Wirth, A.; Capp, A.; Bressel, M.; Seymour, J.