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Point/Counterpoint Editorials |

Point: Are >50 Supervised Procedures Required to Develop Competency in Performing Endobronchial Ultrasound-Guided Transbronchial Needle Aspiration for Mediastinal Staging? YesMore Than 50 Procedures for EBUS-TBNA? Yes

Erik Folch, MD; Adnan Majid, MD, FCCP
Author and Funding Information

From the Division of Thoracic Surgery and Interventional Pulmonology, Beth Israel Deaconess Medical Center, Harvard University.

Correspondence to: Erik Folch, MD, Beth Israel Deaconess Medical Center, Harvard Medical School, 185 Pilgrim Rd, Deaconess 201, Boston, MA 02215; e-mail: efolch@bidmc.harvard.edu


Financial/nonfinancial disclosures: The authors have reported to CHEST that no potential conflicts of interest exist with any companies/organizations whose products or services may be discussed in this article.

Reproduction of this article is prohibited without written permission from the American College of Chest Physicians. See online for more details.


Chest. 2013;143(4):888-891. doi:10.1378/chest.12-2462
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The incidence of lung cancer continues to increase worldwide. The cornerstone of therapy relies on appropriate staging and timely treatment. The Union for International Cancer Control seventh edition TNM classification for lung cancer is based on the retrospective analysis of >80,000 patients with lung cancer treated between 1990 and 2000. This classification uses the TNM to describe the anatomic extent of disease. The objectives of the TNM classification are as follows: help the clinician plan treatment, guide prognosis, assist in treatment evaluation, provide a common language for exchange of information, and contribute to the continued investigation of human cancer.1

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