The pleural effusion is a condition in which the amount of fluid between the pleural layers increases. This phenomenon can be unilateral or bilateral and may indicate various health problems. The organs located in the thoracic cavity, such as the lungs, heart, and major vessels, are crucial for the body’s proper functioning. The pleura surrounding the lungs plays a key role in the process of breathing. This double membrane adheres to the inner side of the lungs, while its outer portion is attached to the chest wall. There is only a minimal amount of fluid between the two membranes, allowing the lungs to move with the expansion of the chest.…