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.
Originally Answered: What is the difference between a passport book and a passport card? Well, besides the actual dimensions (credit card size vs. 28-52 page 3.5x5 booklet), a US passport card allows you to cross land borders to/from Canada & Mexico (and the Caribbean via boat/ship.) For travel to all other countries and for all international air travel, you will need a passport book.