Sometimes bronchoscopy is used to treat lung problems. It may be done to insert a stent in an airway. An airway stent is a small tube that holds the airway open. It's used when a tumor or other condition blocks an airway. In children, the procedure most often is used to remove something blocking an airway.
Spanning the border from Minnesota into the Canadian provinces of Ontario and Manitoba, Lake of the Woods is an enormous body of water over 68 miles long, 59 miles wide, with 25,000 miles of shoreline-the world's longest lake shoreline.
Lake Michigan â 58,000 km2 (22,000 sq mi). Also one of the five Great Lakes, Lake Michigan is just slightly smaller than Lake Huron. It is also the worldâs largest lake entirely within one country â the United States. Chicago and Milwaukee are located on the shore of Lake Michigan.