• Norihiko Ikeda and Koichi Yoshida.
• Department of Surgery, Tokyo Medical University, Tokyo, Japan.
• Nihon Geka Gakkai Zasshi. 2014 Jan 1; 115 (1): 29-32.

AbstractThe National Clinical Database (NCD) was developed to determine the present status of surgical treatment in Japan. All surgeries should be input in this database, and improvements in technique and specialists are expected after analyzing the cumulative data. Prospective data are useful in understanding the current quality levels in all surgical specialties and can become a powerful source of risk-adjusted outcomes and scientific contributions to healthcare. In the field of general thoracic surgery, the number of thoracoscopic surgeries for lung cancer has recently increased significantly. However, the indications and surgical procedures appear to differ by institution. Analysis of numerous prospective data on lung cancer surgeries in the NCD should provide invaluable information for setting standard procedures and policies.

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