Prognostic factors for local recurrence in patients with rectal cancer submitted to neoadjuvant chemoradiotherapy and total mesorectal excision Caio Sergio Rizkallah Nahas; Sergio Carlos Nahas; Carlos Frederico Sparapan Marques; Ulysses Ribeiro Junior; Leonardo Bustamante-Lopez; Guilherme Cutait Cotti; Antonio Rocco Imperiale; Rodrigo Ambar Pinto; Ivan Cecconello;

Recommendations for head and neck surgical procedures during the COVID-19 pandemic Marco A.V. Kulcsar; Fabio L.M. Montenegro; André B.O. Santos; Marcos R. Tavares; Sergio S. Arap; Luiz P. Kowalski;

Survival trends of patients with oral and oropharyngeal cancer treated at a cancer center in São Paulo, Brazil Luiz Paulo Kowalski; Max Moura de Oliveira; Rossana Veronica Mendoza Lopez; Diego Rodrigues Mendonça e Silva; Mauro Kazuo Ikeda; Maria Paula Curado;