Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . The lungs are well expanded and clear . The cardiomediastinal silhouette is unremarkable . There is no change since the prior exam .
    OUTPUT:
    
No acute cardiopulmonary disease . The above findings were communicated to Dr . ___ by Dr . ___ at ___ via telephone , ___ minutes after discovery was made .