USPS stands for United States Postal Service. (regular mail). UPS stands for United Parcel Service. This is a courier service and offers many different levels of service with a wide range of delivery times and prices.
Fluid in the lungs is a broad term to describe two possible conditions that may give characteristic symptoms, like a bubbling sound in the lungs (rales) when breathing. The fluid accumulation may be inside the lung (pulmonary edema) or outside the lung (pleural effusion), in the space between the lung and chest wall.
Between the lungs and the chest wall there is a small space called the âpleural space.â This space typically contains approximately four teaspoons of fluid.Certain conditions, including tumors, pneumonia, heart failure, or lung illnesses, can cause more fluid to enter the space.This is called pleural effusion.etween the lungs and the chest wall there is a small space called the âpleural space.â This space typically contains approximately four teaspoons of fluid.