Review Article
A Review of Self-Expanding Esophageal Stents for the Palliation Therapy of Inoperable Esophageal Malignancies
Figure 2
Photographs (from the company official websites) show the self-expanding plastic Polyflex stent (Boston Scientifi, USA) (a) and SX-ELLA degradable esophageal stent (ELLA-CS, s.r.o. Czech Republic) (b).