Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest wall pacer leads are in standard position in the right atrium , right ventricle and through the coronary sinus . Median sternotomy wires appear intact . Bibasilar predominent interstitial opacities likely reflect moderate interstitial pulmonary edema . Heart size is mildly enlarged . There is worsening atelectasis at the left base . There is no large pleural effusion or pneumothorax . The aortic arch is calcified .
    OUTPUT:
    
Increased mild cardiomegaly and bibasilar interstitial opacities suggesting pulmonary edema in the setting of congestive heart failure .