Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and pulmonary vasculature are unremarkable . There is no focal consolidation . Mild interstitial abnormality is noted , most commonly seen in smokers . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild interstitial abnormality is noted , which is most commonly seen in smokers .