Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and thymectomy , with multiple tiny surgical clips seen in the anterior mediastinum and sternotomy wires seen well aligned . There is evidence of pulmonary vascular congestion with interstitial edema and vascular redistribution to the upper zones . Associated small , bilateral pleural effusions are noted . No pneumothorax or focal consolidation is identified . There is a mild , stable cardiomegaly . The mediastinal contours are normal . A hiatal hernia is noted .
    OUTPUT:
    
Pulmonary vascular congestion with upper zone vascular redistribution , mild interstitial edema , and bilateral small pleural effusions .