494P Preliminary data from the TEOGIC study: A comprehensive characterization of early-onset gastrointestinal cancer in Spain. - Huerta-Hernández, A.E.; Labiano, I.; Caseda, I.; Lecumberri, A.; Irazabalbeitia, N.; Termini, R.; Arrula, V. Arrazubi; Garcia, I. Hernandez; Velasco, E. Mata; Alecha, J. Suarez; Ruiz-Pace, F.; Alonso, V.; et al. (Annals of Oncology, 2025)