Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is markedly enlarged . Again noted is a biventricular pacer / AICD . Again noted is a haziness of the pulmonary vasculature with prominence of the upper zones blood vessel , consistent with mild edema , not significantly changed since the prior examination . Mild interstial markings are also noted . No definite focal consolidation is identified . No large pleural effusion or pneumothorax is present .
    OUTPUT:
    
Mild pulmonary edema .