Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs demonstrate a left chest dual pacing device , it s leads which appear intact and stable in position . Heart size is mildly enlarged . There is central vascular engorgement without overt evidence of pulmonary edema . Blunting of the left costophrenic angle is likely atelectatic in etiology . There is no pleural effusion or pneumothorax . There is no evidence to suggest pneumonia .
    OUTPUT:
    
Mild central vascular engorgement without overt pulmonary edema or pneumonia .