Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Small pneumothorax of the right lung apex can not be excluded . Linear scarring of the right midlung and stable thickening of the right lateral pleura is seen . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen . Port - A - Cath remains in place terminating at the cavoatrial junction .
    OUTPUT:
    
1 . Small pneumothorax of the right lung apex can not be excluded although doubtful . 2 . Linear scar in the right midlung is seen . 3 . Stable thickening of the right lateral pleura is seen , likely secondary to thoracotomy .