When air goes down into the lungs, it passes through smaller and smaller tubes and ends up in tiny air sacs called alveoli. Oxygen passes through the walls of the alveoli and enters tiny blood ...

The trachea has a number of adaptations: cartilage rings in the walls of the trachea help to keep it open ciliated epithelium and goblet cells to clean the air before it reaches the lungs Goblet ...

Chest wall tumors are uncommon; surgical repair involves both resection ... If tests reveal that the tumor is growing into the lung, pulmonary function studies may also be performed. The tumor is ...

In this condition, the pleura—a membrane that covers the exterior of the lungs and the interior of the chest cavity—becomes inflamed. Although the pleura normally produces a small amount of fluid to ...

Atelectasis (pronounced at-uh-LEK-tuh-sis) is a term for the partial or complete collapse of the small airways in the lungs. Atelectasis can be due to tumors growing in lung tissue or an airway.

You may also experience shortness of breath. Sometimes an abnormal amount of fluid will build up in the space between your lungs and your chest wall; when it leaks out it is called a pleural effusion.