Location, morphology and invasiveness of lateral spreading tumors in the colorectum differ between two large cohorts from an eastern and western country Carlos Guarner-Argente; Hiroaki Ikematsu; Shozo Osera; Maria Fraile; Berta Ibañez; Carlos Marra-López; Carla Jerusalén-Gargallo; Pedro A. Alonso Aguirre; David Martinez-Ares; Santiago Soto; Felipe Ramos Zabala; Marco Antonio Alvarez-Gonzalez; Joaquin Rodriguez Sánchez; Fernando Múgica; Oscar Nogales Rincon; Alberto Herreros de Tejada; Eduardo Redondo-Cerezo; Juan Martínez-Cara; Leopoldo López-Rosés; Manuel Rodriguez-Tellez; Orlando Garcia-Bosch; Joaquín de la Peña; María Pellisé; Liseth Rivero-Sanchez; Esteve Saperas; Francisco Pérez-Roldán; Bartolome Lopez Viedma; Jesús M. González-Santiago; Alberto Álvarez Delgado; Carol Cobian; Remedios Pardeiro; Eduardo Valdivielso Cortázar; Juan Colan-Hernandez; Jordi Gordillo; Kazuhiro Kaneko; Eduardo Albéniz;

Implementation of esophageal endoscopic submucosal dissection in Spain: Results from the nationwide registry Enrique Rodríguez de Santiago; Alberto Herreros-de-Tejada; Eduardo Albéniz; Felipe Ramos Zabala; Gloria Fernández-Esparrach; Oscar Nogales; Pedro Rosón; Beatriz Peñas García; Hugo Uchima; Álvaro Terán; Joaquín Rodríguez Sánchez; Diego de Frutos; Sofía Parejo Carbonell; José Santiago; José Díaz Tasende; Charly Guarner Argente; Pedro de María Pallarés; Ana Amorós; Daniel Barranco; Daniel Álvarez de Castro; Raquel Muñoz González; José Carlos Marín-Gabriel;

Advanced endoscopy technologies to improve the detection and characterisation of colorrectal polyps Cristina Sánchez-Montes; Ana García-Rodríguez; Henry Córdova; María Pellisé; Gloria Fernández-Esparrach;