Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly reduced compared to the previous study . Moderate cardiomegaly appears mildly increased , potentially accentuated by wound lower lung volumes . Re - demonstrated is enlargement of both pulmonary arteries compatible with underlying pulmonary arterial hypertension . Mild pulmonary edema is demonstrated , without focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormality is visualized .
    OUTPUT:
    
Mild pulmonary edema with moderate cardiomegaly . Bilateral hilar enlargement compatible with underlying pulmonary arterial hypertension .