| PN | characterized by lung involvement |
|---|---|
| PN | inflammation of the lungs |
| PN | chronic respiratory disease caused by inhaling metallic or mineral particles |
| PN | abnormal presence of air in the pleural cavity resulting in the collapse of the lung |
| PN | vaccine (trade name Pneumovax) effective against the 23 most common strains of pneumococcus |
| PN | the capital and largest city of Kampuchea |