The lung cavity is called the pleural cavity.
Thoracic is another medical term for pleural when used in the sense of naming the thoracic or pleural cavity.
The medical term for surgical puncture of the pleural cavity to remove fluid is thoracentesis. This procedure involves inserting a needle through the chest wall to drain excess fluid from around the lungs for diagnostic or therapeutic purposes.
The medical term for air in the pleural cavity is pneumothorax. It occurs when air enters the space between the chest wall and the lung, causing a partial or complete collapse of the lung. Symptoms include sudden chest pain, shortness of breath, and a rapid heart rate. Treatment may involve removing the air with a chest tube or surgery.
Effusion is the medical term meaning escape of fluid into a body cavity. So, for instance, escape of fluid into the pleural space is pleural effusion.
Aspiration and drainage of pleural fluid is termed as Thoracentesis. 'Thoraco-' refers to the thorax (chest), and '-centesis' is the process of aspirating a substance from an enclosed/sealed area. It can also be called a pleurocentesis, needle thoracotomy, pleural aspiration, or pleural tap.
The hilum is the region of lymph tissue in the chest cavity.
Pleural effusion is the generic term for fluid in the pleural space, but there are more specific terms if you know the type of fluid. Blood - hemothorax Lymph - chylothorax Serous fluid - hydrothorax Pus - empyema or pyothorax
The cavity that you are referring to is know as the thoracic cavity.The ventral body cavity contains the organs in the chest and abdomen.Thoracic cavity
Thoracic (chest) cavity is confined by the rib cage. Within there is the right and left pleural cavities (lungs) and the mediastium or pericardial cavity (heart). If something destroys the confinement of this area (blunt or sharp forced trauma) the result may be a pneumothorax or collapsed lung(s).
The medical term for the condition of blood in the chest cavity is hemothorax. This condition may result from trauma.
A thoradesis is a term used when a procedure is used to remove tissue from the thorax (chest). It is also called a pleurodesis. It can, in effect, remove the pleural cavity.