**Contents**


Reprinted from: *J. Clin. Med.* **2021**, *10*, 4206, doi:10.3390/jcm10184206 ................ **91**


Metal Stent Possessing an Ultra-Slim Introducer for Malignant Hilar Biliary Obstructions Reprinted from: *J. Clin. Med.* **2022**, *11*, 6110, doi:10.3390/jcm11206110 ................ **177**
