P1066: PEMBROLIZUMAB MONOTHERAPY AS A FIRST THERAPY FOR HODGKIN LYMPHOMA IS DELIVERABLE IN OLDER OR ABVD INELIGIBLE PATIENTS, DOES NOT PRECLUDE SUBSEQUENT THERAPY, AND PROVIDES ADEQUATE SURVIVAL. - Michael Dickinson; Leanne Berkahn; Judith Trotman; Jason Butler; Paul Neeson; Matthias Bressel; Adrian Minson (HemaSphere, 2023)