👉 Plaintilie, also known as a pleural effusion, is a fluid that collects in the space between the lungs and the chest cavity. It is usually caused by an infection or inflammation of the lungs, which can cause pressure to build up and form a mass called a pleurisy. Plaids are often seen on X-rays or CT scans, indicating a potential lung injury or problem. If left untreated, pleural effusions can lead to complications such as pneumonia, organ failure
