Answer :
I think the procedure is Bullectomy. It is a surgical procedure to reduce the exacerbation of COPD. The patient with COPD may have large bullae, which are resected through a thoracoscope. Airway bypass is a brochoscopic procedure that helps to treat COPD by creating extra anatomic openings between the diseased lung and bronchi; however this procedure does not require a thoracoscope. Lung transplantation is effective for patients with advanced COPD; however it is not associated with the use of thoracoscope. A lung volume reduction does not also require the use of thoracoscope but instead requires bronchoscope.