Comparing three-dimensional endorectal ultrasound and magnification chromoendoscopy for early rectal neoplasia invasion depth assessment - Pinto, Rodrigo Ambar; Kawaguti, Fabio Shiguehissa; Kimura, Cintia Mayumi Sakurai; Correa Neto, Isaac Jose Felippe; Nahas, Caio Sergio Rizkallah; Marques, Carlos Frederico Sparapan; Bustamante-Lopez, Leonardo Alfonso; Ribeiro Junior, Ulysses; Maluf-Filho, Fauze; Nahas, Sergio Carlos (Journal of gastroenterology and hepatology, 2024)