Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is re- demonstrated . The mediastinal contours are stable . Enlargement of the pulmonary arteries is compatible with underlying pulmonary arterial hypertension , unchanged . There is mild interstitial pulmonary edema , with a small right pleural effusion . No pneumothorax is identified . Minimal atelectasis is also demonstrated in the lung bases . Renal osteodystrophy is again noted within the imaged thoracic spine .
    OUTPUT:
    
Mild interstitial pulmonary edema and small right pleural effusion .