Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear . The heart is mildly enlarged . Mediastinal and hilar contours are normal . No pneumothorax , pleural effusion , or consolidation . Spinal fixation hardware in the lower cervical spine appears grossly intact .
    OUTPUT:
    
No acute cardiopulmonary process .