About the Author

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Ricardo Zugaib Abdalla: MD, PhD in surgery, Associate Professor at University of Sao Paulo School of Medicine, Medical Assistant at Hospital das Clinicas at University of Sao Paulo School of Medicine Digestive Surgery Division, Robotic Coordinator at Sao Paulo Cancer Institute at University of Sao Paulo. Thiago Nogueira Costa: MD, Assistant Professor at Hospital das Clinicas at University of Sao Paulo School of Medicine, Digestive Surgery Division. Attending Surgeon at Sao Paulo Cancer Institute at University of Sao Paulo.