Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low resulting in bronchovascular crowding . However , no confluent consolidation is identified . There is no interstitial pulmonary edema or pleural effusions . Tortuosity of the thoracic aorta is similar to prior examination . Mild cardiomegaly is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process . No pneumonia .