Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged . The mediastinal and hilar contours appear within normal limits . A trace pleural effusion on the right is difficult to exclude , noting similar posterior blunting of the costophrenic sulcus . There is again upper zone redistribution of pulmonary vasculature , mild interstitial abnormality , and an indistinct appearance of pulmonary vasculature , most consistent of mild pulmonary edema , but unchanged . There is no focal opacity .
    OUTPUT:
    
Similar cardiomegaly and findings consistent with mild pulmonary edema .