Corsale, A., Speciale, M., Aquilina, C., Gigliotta, E., Rizzuto, A., Biondo, M., Tofacchi, E., Romano, A., Di Simone, M., Gallo, A., Caccamo, N., Dieli, F., Meraviglia, S., Siragusa, S. and Botta, C. (2026) “CO21 | Integrated multiomic immune profiling defines the biological basis of minimal residual disease persistence in multiple myeloma: A.M. Corsale1, M. Speciale2, C. Aquilina1, E. Gigliotta1, A. Rizzuto1, M. Biondo3, E. Tofacchi1, A. Romano1, M. Di Simone1, A. Gallo4, N. Caccamo5, F. Dieli5, S. Meraviglia5, S. Siragusa1, C. Botta1 | 1Department of Health Promotion, Mother and Child Care, Internal Medicine and Medical Specialties, PROMISE, University of Palermo; 2Department of Surgical, Oncological and Stomatological Disciplines, DICHIRONS, University of Palermo; 3Department of General Surgery and Medical-Surgical Specialties, Hematology Section, University of Catania; 4Department of Research, IRCCS-ISMETT, Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione; 5Department of Biomedicine, Neuroscience and Advanced Diagnosis, Bi. N. D. , University of Palermo”, Haematologica. Pavia, Italy, 111(s1). doi: 10.3324/haematol.2026.s1.34.