Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac and mediastinal silhouettes are stable , with the cardiac silhouette enlarged . No large pleural effusion is seen . There is no evidence of pneumothorax . No definite focal consolidation . There is mild to moderate interstitial pulmonary edema . Prominence of the main pulmonary artery suggests component of pulmonary hypertension .
    OUTPUT:
    
Mild to moderate interstitial edema with persistent enlargement of the cardiac silhouette .