Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is mildly enlarged , unchanged . Mediastinal contours are stable with mild tortuosity of the thoracic aorta again demonstrated . The pulmonary vasculature is not engorged . Right upper lobe focal consolidative opacity is new , most compatible with pneumonia . Patchy left lower lobe opacity could reflect a second area of infection . No pleural effusion or pneumothorax is seen . No free air is seen under the diaphragms .
    OUTPUT:
    
Right upper lobe pneumonia . Second patchy opacity in the left lower lobe could reflect an additional site of infection . Follow up radiographs after treatment are recommended to ensure resolution of these findings .