Answer:
Sharp, stabbing chest pain.
Explanation:
COPD (Chronic obstructive pulmonary disease) is the long persistent inflammatory disease of the lungs. This might cause the excess production of mucus, cough and difficulty in breathing.
Pneumothorax is the condition of the collapsed lung and included in the category of COPD. The peneumothorax can cause mild to the severe chest pain and stabbing in the lungs. The breath becomes short and the condition require proper medication.
Thus, the answer is sharp, stabbing chest pain.
