Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Subtle patchy opacity is seen within the right base . No focal consolidation , pleural effusion or pneumothorax is present . There are degenerative changes noted in the lower thoracic spine .
    OUTPUT:
    
Subtle patchy opacity in right base . This could reflect an area of developing infection in the correct clinical setting .