Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . Minimal patchy opacities are seen within the left lung base as well as within the peripheral aspect of the right mid lung field , likely involving the right upper lobe and right middle lobe . These findings appear improved compared to the prior radiographs obtained in ___ . Atelectatic changes are also seen within the right lung base . No additional areas of focal consolidation are present . No pleural effusion or pneumothorax is seen . There are multilevel degenerative changes within the thoracic spine .
    OUTPUT:
    
Patchy opacities within the peripheral aspect of the right mid lung field , likely the right upper and middle lobes , as well as the left lung base , in a distribution similar to that seen on the prior radiographs from ___ , but somewhat improved . While these findings could reflect recurrent pneumonia , other processes including inflammatory processes should be considered . Followup radiographs after treatment are recommended , and if the findings persist , a chest CT is suggested .