The role of probe-based confocal laser endomicroscopy (pCLE) in the diagnosis of sustained clinical complete response under watch-and-wait strategy after neoadjuvant chemoradiotherapy for locally advanced rectal adenocarcinoma: a Score Validation - Safatle-Ribeiro, Adriana Vaz; Ribeiro Junior, Ulysses; Lata, John; Baba, Elisa Ryoka; Lenz, Luciano; Martins, Bruno da Costa; Kawaguti, Fabio; Moura, Renata Nobre; Pennacchi, Caterina; Nahas, Sergio Carlos (Journal of gastrointestinal surgery, 2023)