PB2210: FAVORABLE OUTCOME AFTER SECOND CD19 CAR T INFUSION OF AN IDENTICAL PRODUCT: HOST ENVIRONMENT AND DISEASE CHARACTERISTICS DETERMINE THE OUTCOME OF TREATMENT. (23rd June 2022) - Frölich, L.; Blumenberg, V.; Rejeski, K.; Schmidt, C.; Winkelmann, M.; Schöberl, F.; von Baumgarten, L.; Kunz, W.; Bücklein, V.; Subklewe, M.