Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate relatively low lung volumes with no pleural effusion , pneumothorax or focal consolidation . There is no overt pulmonary edema . The heart is mildly enlarged , but stable compared to the prior exam from ___ . The thoracic aorta is tortuous .
    OUTPUT:
    
No acute cardiopulmonary process .