Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are decreased with resultant accentuation of the cardiomediastinal silhouette and bronchovascular crowding . An area of opacification at the right lung apex including nodularity appears chronic and unchanged . There is no focal consolidation concerning for pneumonia , significant pleural effusion or pneumothorax . There is no pneumomediastinum . There is evidence of free air beneath the left hemidiaphragm .
    OUTPUT:
    
Evidence of free air beneath the left hemidiaphragm . Stable right apical opacification .