Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates 4 .4 cm above the carina . The NG tube is seen below the diaphragm and continues out of view . Heart size is normal . Lungs are low in volume , but clear without focal consolidation or effusion . No pneumothorax . Intact median sternotomy wires and mediastinal clips are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .