What does "No pneumothorax" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"No pneumothorax" in a medical document means that there is no presence of air or gas in the space between the lungs and the chest wall. This is a good thing because if air or gas were present in this space, it could cause the lung to collapse, which is a serious condition. So, in simple terms, it means the lungs are not collapsed and are functioning as they should.
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