Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AICD device is noted with single lead terminating in the right ventricle . Mild to moderate cardiomegaly persists . The mediastinal contours are unchanged with atherosclerotic calcifications of the aortic knob . Lung volumes are low with crowding of the bronchovascular structures . Streaky opacities in the lung bases may reflect areas of atelectasis . Blunting of the right costophrenic angle is unchanged , and there is elevation of the right hemidiaphragm . No pleural effusion or pneumothorax is identified . No acute osseous abnormalities demonstrated . Multiple clips are noted with in the mediastinum compatible with prior CABG .
    OUTPUT:
    
Bibasilar atelectasis and unchanged elevation of the right hemidiaphragm .