Timeline of transfusion needs following CD19 CAR-T. Study schema summarizes the transfusion requirements for patients with LBCL treated with CAR-T therapy based on the 3 phases: pre- and post–CAR-T transfusion (early and late). Axi-cel, axicabtagene ciloleucel; ECOG, Eastern Cooperative Oncology Group. Professional illustration by Somersault18:24.