Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Allowing for rotation and differences in technique , there is no change from prior exam . The lungs are clear , with no focal mass or consolidation . Cardiomediastinal silhouette is unremarkable . There is no pneumothorax or pleural effusion . Visualized osseous structures are unremarkable .
    OUTPUT:
    
Limited exam , but no acute cardiopulmonary process .