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 passport card is the same size as a driverâs license or credit card and conveniently fits in your wallet. For any international travel by air, a passport book is a must. A passport card is valid only for land and sea travel. Passport card cannot be used to acquire travel visas whereas they can be acquired through a passport book. Passport card is less expensive than a passport book. Besides the physical size and format, both passport book and passport card can be used as a proof of your identity and US citizenship.