PB2117: TEN-YEAR SINGLE CENTER EXPERIENCE TREATING PRIMARY CENTRAL NERVOUS SYSTEM LYMPHOMA: CAN RADIOTHERAPY BE OMITTED?. (23rd June 2022) - Goncalves, I. L.; Gomes, G.; Rodrigues, L.; Lupi, P.; Claudino, C.; Miranda, F.; Mousinho, F.; Mendes, T.; Reichert, A.; Jorge, A.; Afonso, C.