Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low , limiting evaluation . There is new partial obscuration of the left hemidiaphragm and increased density over the spine on the lateral view , possibly due to pneumonia . Mild chronic pulmonary vascular congestion is unchanged from the prior exam . There is no overt pulmonary edema . There is no pleural effusion or pneumothorax . The mediastinal contours are normal . The heart is mildly enlarged , and unchanged . A pacemaker overlies the left chest with the leads in appropriate position in the right atrium and right ventricle . The patient is status post a CABG . Sternal wires are intact .
    OUTPUT:
    
New partial obscuration of the left hemidiaphragm and increased density in the left lower lobe on the lateral view , possibly due to a developing pneumonia in this region . Short term follow - up with a repeat chest radiograph is recommended . Results were discussed with Dr . ___ at 8 : 15 AM on ___ via telephone by Dr . ___ ___ minutes after the findings were discovered .