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.
The largest lake in the US and the biggest among the Great Lakes of North America, Lake Superior spans an area of 82,103 km2, roughly the size of Austria or the US state of South Carolina. The US states of Minnesota, Michigan, and Wisconsin share the Lake Superior with the Canadian province of Ontario.