Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes persists . Cardiac silhouette size remains borderline enlarged . The mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . There is persistent patchy opacity within the left lung base concerning for continued pneumonia . No new focal consolidation , pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Persistent left basilar patchy opacity concerning for continued pneumonia .