Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is top normal in size . The mediastinal and hilar contours are within normal limits . The lungs are well expanded and clear . There are no pleural effusions , pneumothorax , focal consolidations or pulmonary edema . The osseous structures are grossly unremarkable .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process .