Results of surgical treatment of colorectal cancer, elective and emergency, in patients with COVID-19 - Nahas, Sergio Carlos; Meira Junior, Jose Donizeti de; Nahas, Caio Sergio Rizkallah; Sobrado, Lucas Faraco; Pinto, Rodrigo Ambar; Abdala, Edson; Ribeiro Junior, Ulysses; Cecconello, Ivan (Abcd-arquivos brasileiros de cirurgia digestiva-brazilian archives of digestive surgery, 2022)