Counterpoint: are >50 supervised procedures required to develop competency in performing endobronchial ultrasound-guided transbronchial needle aspiration for lung cancer staging? No
1 Pulmonary and Critical Care Unit, Massachusetts General Hospital, and Harvard Medical School, Boston, MA.
2 Pulmonary and Critical Care Unit, Massachusetts General Hospital, and Harvard Medical School, Boston, MA. Electronic address: cchannick@partners.org.