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Cardiothoracic Surgery Network
CTSNet serves over 24,000 members, of which 90% are cardiothoracic surgeons from 146 countries. On average, the CTSNet Community as a whole supports over 500,000 sessions and 3.2 million page views per month.

The Society of Thoracic Surgeons
The Society of Thoracic Surgeons is a not-for-profit organization representing more than 5,400 surgeons, researchers, and allied health professionals worldwide who are dedicated to ensuring the best possible heart, lung, esophageal, and other surgical procedures for the chest.

General Thoracic Surgical Club
The General Thoracic Surgery Club’s web site provides information about the GTSC to its members and potential members.