Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild central pulmonary vascular congestion and interstitial edema . No focal consolidation is identified . There is evidence of pneumothorax . A small right pleural effusion is possible . Cardiomegaly is stable .
    OUTPUT:
    
Mild pulmonary interstitial edema with persistent cardiomegaly .