Fig. 1From: Endoscopic stenting of malignant, benign and iatrogenic colorectal disorders: a primer for radiologistsSome common self-expandable metal stents (SEMS) available for use in colorectal disorders. a Two opened uncovered WallFlexTM (Boston Scientific, Massachusetts, USA) stents measuring 25 × 60 mm (left side) and 22 × 90 mm (right side), respectively. b Fully covered Niti-S stent (Taewoong Medical, South Korea) 22 × 100 mm. c Uncovered WallFlexTM stent, closed along its introducer sheathBack to article page