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.
Divided into two separate land areas, and bordered by four of the five Great Lakes, Michigan has the longest shoreline in the continental U.S. - nearly 3,300 miles. Michigan's Upper Peninsula is hilly and rugged in the west, especially in the heavily-forested Porcupine Mountains.Further east in the Huron Mountains the state's highest point, Mt. Arvon, stands at 1,979 ft. Moving to the east, the Upper Peninsula's land is much flatter, with some inland swamps.Michigan's Lower Peninsula is rather flat, especially along the eastern and southeastern shorelines.orested Isle Royale, located in the far-northwestern corner of Lake Superior, is the only (island) National Park in the United States. The surrounding Great Lakes are Michigan's most striking landforms. In addition, the state is covered by over 11,000 fresh water lakes (mostly small).