When air gets between one of your lungs and the wall of your chest, the pressure can bear down on the lung and make it give way, at least partly. That’s called a collapsed lung.
When this happens, you can inhale, but the lung can’t expand as much as it should.
In the mildest cases, you may not notice a problem. If you do feel something, the symptoms can range from mild to life-threatening. So you have to tell your doctor what’s happening.
When you’re getting checked out, you might hear your doctor...