Heel, N.C.M. van

stent patient esophageal cancer removal complication dysphagia placement study endoscopic endoscopy treatment disease insertion metal therapy stent placement palliation stent insertion esophageal disease esophageal cancer chapter stent removal esophagus series self-expandable migration outcome group metal stents survival perforation extrinsic compression gastroenterology lesion kuipers ej range surgery fistula trial tumor ultraflex stent therapy stent dysfunction stenosi esophageal perforation esophageal stents esophageal strictures stenting perforations self-expandable metal stents sems placement self-expanding american journal randomized evolution ultraflex stent extrinsic kuiper extraction evolution stent journal result obstruction compression carcinoma endosc luminal patency esophagectomy strictures resection self-expanding metal stents haringsma j stent migration gastrointest design tissue esophageal perforations sealing technique