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Photographs (from the company official websites) show Softcup esophagus SEMS stent (MICRO-TECH, Germany) (a), PermalumeTM Silicone coating SEMS (WallFlexTM from Boston Scientifi, USA) (b), and a segmented SEMS (Choostent; M.I. Tech, Pyeongtaek, Korea) (c).
