Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are borderline low . Allowing for this , heart size is borderline , with mild prominence of the right heart border . No CHF , focal infiltrate , effusion or pneumothorax is detected . Otherwise , the lungs are clear of focal consolidation , pleural effusion or pneumothorax . There is no pulmonary edema . The heart size is normal .
    OUTPUT:
    
No acute pulmonary process identified .