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.
Participants in a fishing derby cast lines from a pier near Onondaga Lake's outflow in Syracuse, N.Y. Onondaga Lake in Syracuse, N.Y., has often been called the most polluted lake in America. It was hammered by a one-two punch: raw and partially treated sewage from the city and its suburbs, and a century's worth of industrial dumping. But now the final stage in a $1 billion cleanup is about to begin.