👉 Bronchoesophagoscopy (also known as bronchoscopy) is a medical procedure in which a small instrument, called an endoscope, is inserted into the trachea (windpipe), where it looks inside the lungs. This allows doctors to look at the structure of the bronchi and other parts of the respiratory system. It's often used to diagnose conditions like pneumonia or asthma. Endoscopy is another type of lung examination that involves a small endoscope, which is inserted into