Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Chronic opacities in the lower lungs are again noted which could represent a component of scarring , though an acute infectious component can not be excluded in the right clinical setting . No large effusion or pneumothorax . The heart size is difficult to assess though appears grossly stable . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Lower lung opacities , as seen on multiple prior exams may represent a chronic inflammatory process , though an acute infectious component may be present in the right clinical setting . Please correlate clinically .