Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous radiograph , metallic structure projecting over the upper parts of the right upper hemithorax are unchanged in position . Minimal hyperlucencies at both lung apices are compatible with underlying pulmonary emphysema as noted on prior CT of ___ . No pneumothorax is detected . There is interval focal consolidation at the left lower lobe from ___ , compatible with pneumonia . The cardiac silhouette is normal in size . The mediastinal contours are within normal limits with unchanged calcification of the aortic knob and minimal tortuosity of the thoracic aorta .
    OUTPUT:
    
Left lower lobe pneumonia . Recommend followup to resolution with repeat chest radiograph in six to eight weeks following appropriate course of therapy .