Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left - sided dual cardiac pacemaker in stable position from prior exams with leads terminating in appropriate position . The perihilar vasculature continue to be enlarged with mild interstitial edema , and calcification is again noted along the aortic arch . There are no focal pulmonary consolidations or pneumothoraces . There are small bilateral pleural effusions .
    OUTPUT:
    
Mild perihilar edema with small bilateral pleural effusions . Stable cardiac enlargement .