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.
A US Passport Card can be used for ground border crossings between the US and Canada and the US and Mexico, and for some water entries between the US, Canada, and some nearby sovereign islands. It cannot be used for any air travel where a passport is required. A passport book can be used in any situation where a passport is required.