Palliation of malignant obstruction with endoprosthesis.
D004938:Esophageal Neoplasms / Q000628:therapy*; D006801:Humans; D010166:Palliative Care; D011145:Polyvinyls; D019736:Prostheses and Implants; D012828:Silicones
D011145:Polyvinyls; D012828:Silicones