STUDY DESIGN: Prospective and randomized study will be conducted.
PREPARATION AND TECHNICAL STEPS OF THE PROCEDURE: The placement of the esophageal prosthesis will be performed under sedation or general anesthesia supervised by the anesthesiologist at the endoscopy service of the Cancer Institute of the State of São Paulo (ICESP). The tests will be performed under radioscopic control. The tests will be performed on an outpatient basis, and hospitalization may occur in case of clinical need.