Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The hilar contours are normal . The pulmonary vasculature is normal . Right lower lobe opacity is significantly improved from ___ , but not significantly changed from ___ . No pleural effusion or pneumothorax . Tortuous aorta and calcified aortic arch are again seen .
    OUTPUT:
    
Right lower lobe pneumonia does not appear significantly different from ___ .