Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are normal . Previously noted interstitial pulmonary edema has resolved . Pulmonary vasculature is normal . Lungs are clear . Trace right pleural effusion is unchanged . No left - sided pleural effusion is demonstrated . There is no pneumothorax . There are no acute osseous abnormalities .
    OUTPUT:
    
Resolution of previously noted interstitial pulmonary edema . Unchanged trace right pleural effusion .