Atelectasis (at-uh-LEK-tuh-sis) is a condition in which one or more areas of your lungs collapse or don't inflate properly. If only a small area or a few small areas of the lungs are affected, you may have no signs or symptoms.
Disclaimer: The information provided here should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. The information is provided solely for educational purpose and should not be considered a substitute for medical advice.