1) Thoracic surgical procedure 
Thoracoscopy is a medical procedure involving internal examination, biopsy, and/or resection of disease or masses within the pleural cavity and thoracic cavity. Thoracoscopy may be performed either under general anaesthesia or under sedation with local anaesthetic. ==History== Thoracoscopy was developed by Hans Christian Jacobaeus, a Swedish inter...
Examination of the inside of the chest, using a thoracoscope. A thoracoscope is a thin, tube-like instrument with a light and a lens for viewing. It may also have a tool to remove tissue to be checked under a microscope for signs of disease.
<procedure> The use of a fibreoptic scope through a small incision in the chest wall for the purpose of directly observing the organs of the chest. ... (27 Sep 1997) ... 
(thor″ә-kәs´kә-pe) examination of the pleural space with a thoracoscope.
Type: Term Pronunciation: thō′ră-kos′kŏ-pē Definitions: 1. Examination of the pleural cavity with an endoscope. Synonyms: pleuroscopy
Thoracoscopy is a form of endoscopy used for examination of the thorax, and particularly the lungs in the treatment of tuberculosis.
examination of the membranes covering the lungs using an endoscope