Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear with no evidence of consolidation , effusion , or pneumothorax . Slightly prominent bronchovascular markings at bilateral bases appear improved in comparison to the prior study . Cardiomediastinal silhouette appears stable . Osseous structures are grossly unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .