Abulí, A, Abulí, A, Fernández-Rozadilla, C, Giráldez, MD, Muñoz, J, Gonzalo, V, Bessa, X, Bujanda, L, Reñé, JM, Lanas, A, García, AM, Saló, J, Argüello, L, Vilella, A, Carreño, R, Jover, R, Xicola, RM, Llor, X, Carvajal-Carmona, L, Tomlinson, IPM, Kerr, DJ, Houlston, RS, Piqué, JM, Carracedo, A, Castells, A, Andreu, M, Ruiz-Ponte, C, Castellví-Bel, S, Gastrointestinal Oncology Group of the Spanish Gastroenterological Association, Abulí, A, Abulí, A, Fernández-Rozadilla, C, Giráldez, MD, Muñoz, J, Gonzalo, V, Bessa, X, Bujanda, L, Reñé, JM, Lanas, A, García, AM, Saló, J, Argüello, L, Vilella, A, Carreño, R, Jover, R, Xicola, RM, Llor, X, Carvajal-Carmona, L, Tomlinson, IPM, Kerr, DJ, Houlston, RS, Piqué, JM, Carracedo, A, Castells, A, Andreu, M, Ruiz-Ponte, C, Castellví-Bel, S, and Gastrointestinal Oncology Group of the Spanish Gastroenterological Association