Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size , mediastinal , and hilar contours are normal . Lungs are clear without focal consolidation , pneumothorax , or pleural effusions . Intact median sternotomy wires and mediastinal clips denote prior CABG . Left clavicular hardware is identified .
    OUTPUT:
    
No acute cardiopulmonary process .