Since chest tubes have been routinely used to drain the pleural space, particularly after lung surgery, the management of chest tubes is considered to be essential for the thoracic surgeon. The pleural drainage system requires effective drainage, suction, and water-sealing.
1 The Passport Card can be used on cruises to the Caribbean and Bermuda, in addition to land border crossings to Canada and Mexico.  The US State Department started accepting applications for the Passport Card on February 1st, 2008.
The passport card has the same status as the passport book, but in card form for the convenience of frequent border crossing and is only valid for land and sea travel between the United States and Canada, Mexico, and the Caribbean (sea travel only).