Affiliation: | 1. Angelita and Joaquim Gama Institute, Sao Paulo, SP, Brazil;2. Hospital Alem?o Oswaldo Cruz, Sao Paulo, SP, Brazil;3. School of Medicine, University of S?o Paulo, Sao Paulo, SP, Brazil;4. Colorectal Surgery Division, School of Medicine, University of S?o Paulo, Sao Paulo, SP, Brazil;5. S?o Paulo Branch, Ludwig Institute for Cancer Research, Sao Paulo, SP, Brazil;6. Surgical Oncology Division, BP – A Beneficência Portuguesa de S?o Paulo, Sao Paulo, SP, Brazil |