Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been improvement in mild prominence of interstitial markings seen on the prior x-ray . There is no consolidation , pleural effusion , pneumothorax or evidence of pulmonary edema . Prominent right superior mediastinum is unchanged and likely represents vasculature . Cardiomediastinal silhouette is unremarkable . There are no acute skeletal abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . Improvement of mild edema seen in ___ .