Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacemaker and dual leads as well as sternotomy wires are unchanged from prior examinations . The heart is normal in size . Aorta is unfolded , similar to prior . On lateral view , calcified or stented coronary artery is noted , also unchanged . Elevation and possible eventration of the right hemidiaphragm is similar to the prior film . No focal consolidation , pleural effusion , pulmonary edema or pneumothorax is identified . In the right cardiophrenic region , there is subsegmental atelectasis and / or scarring similar to ___ and ___ . Linear atelectasis and / or scarring at the left base is also unchanged . Minimal blunting of one of the costo vertebral angles posteriorly is also unchanged .
    OUTPUT:
    
No acute pulmonary process identified . Stable elevation of the right hemidiaphragm . Stable atelectasis / scarring at both bases .