SEMS (self expanding metal stents) in palliation of esophageal cancer dysphagia

Symptomatic inoperable esophageal carcinoma represents a major clinical problem. With no treatment, swallowing deteriorates with a dramatic worsening of quality of life. At present, self-expanding metal stents (SEMS) are the most effective non surgical palliation in inoperable esophageal cancer. The different types of available SEMS, techniques, results and complications are discussed.