Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are normally expanded . There is mild prominence of interstitial markings with chronic scarring in the right upper lung . There is mild central pulmonary vascular congestion without frank pulmonary edema . There is no pleural effusion or pneumothorax . Heart size is normal . The mediastinal and hilar contours are unremarkable .
    OUTPUT:
    
No evidence of pneumonia . Chronic scarring and prominence of interstitial markings particularly in the right upper lung .