Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . There is mild hyperexpansion of the lungs . No focal pneumonia , pleural effusion , or pulmonary edema is present . The cardiomediastinal silhouette is unremarkable . The visualized osseous structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary disease . The above findings were communicated to Dr . ___ by Dr . ___ ___ telephone at 14 :30 , 10 minutes after discovery was made .