Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The cardiac and mediastinal silhouettes may be accentuated by the AP technique . The lungs are clear without evidence of focal consolidations . There are no pleural effusions or evidence of a pneumothorax . Note is made of mild elevation of the right hemidiaphragm .
    OUTPUT:
    
No acute cardiopulmonary process .