respiratory

an accumulation of fluid between the layers of tissue that line the lungs and chest cavity. an accumulation of fluid between the layers of tissue that line the lungs and chest cavity.

an abnormal build up of fluid in the air sacs of the lungs, which leads to shortness of breathan abnormal build up of fluid in the air sacs of the lungs, which leads to shortness of breath

The entry of air into into the pleural cavity.