Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left pectoral pacemaker / defibrillator is in unchanged position . The cardiomediastinal and hilar contours are stable demonstrating mild cardiomegaly . There is mild to moderate pulmonary vascular congestion and interstitial pulmonary edema . Small pleural effusions .
    OUTPUT:
    
Congestive heart failure with moderate interstitial edema and small pleural effusions .