Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mild to moderately enlarged , increased compared to the previous exam . The aorta is slightly unfolded . The mediastinal and hilar contours are unchanged . Consolidative opacity in the right lower lobe is new and concerning for pneumonia . Pulmonary vasculature is not engorged . No pleural effusion or pneumothorax is seen . Moderate multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Right lower lobe pneumonia .