Dr Lalit kumawat MD pulmonologist

pneumothorax A pneumothorax is a collapsed lung caused by air entering the pleural space—the area between the lung and chest wall—disrupting the negative pressure needed for breathing. Symptoms often include sudden, sharp chest pain and shortness of breath. Treatment ranges from monitoring for small cases to inserting a chest tube to remove air and re-expand the lung. Mar 21, 2026 Learn more