Outcome and oncological prognosis of esophageal anastomotic fistulas in the treatment of esophageal cancer. Comparative study according to gastric tube ascent Italo Braghetto M., Manuel Figueroa G., Belén Sanhueza P., Héctor Valladares H., Gonzalo Cardemil H., Solange Cortés L, Caterina Contreras B. 2018-01-15