P1171: CNS RELAPSE OF DIFFUSE LARGE B-CELL LYMPHOMA. CLINICAL PRESENTATION, OUTCOME AND ROLE OF UPFRONT PROPHYLAXIS: A 10-YEAR SINGLE CENTER EXPERIENCE. - Corrado Benevolo Savelli; Mattia Novo; Filippo Fasano; Andrea Evangelista; Federica Cavallo; Carola Boccomini; Lorella Orsucci; Michele Clerico; Veronica Peri; Benedetto Bruno; Barbara Botto; Roberto Freilone (HemaSphere, 2023)