The main difference between covered and uncovered esophageal stents is that covered stents have a coating or membrane over the metal mesh, while uncovered stents do not. Key differences:- Covering: Covered stents have a silicone, plastic, or fabric coating over metallic mesh. Uncovered stents have a

The survival rate after esophageal stenting can vary significantly depending on the underlying cause and overall prognosis. Some key points about survival rates:- For esophageal cancer - The average survival time after stenting for esophageal cancer is around 3-6 months. 5-year survival is very low,