P1430: GUT MICROBIOTA DIVERSITY AND BUTYRATE PRODUCERS IMPACTS ON NON-HODGKIN LYMPHOMA PATIENTS RESPONSE TO CD19 CAR-T THERAPY. (23rd June 2022) - Garcia-Vicente, R.; Rodriguez-Garcia, A.; Gomez-Gordo, R.; Ortega-Hernandez, A.; Ancos, R.; Serrano, S.; Modrego, J.; Leivas, A.; Valeri, A.; Jimenez-Ubieto, A.; Sanchez-Pina, J. M.; Paciello, M. L.; et al.