Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar atelectasis is present . Elevation of the left hemidiaphragm is unchanged . No effusion , consolidation or pneumothorax is seen . Minimal aortic arch calcifications are seen . An implanted cardiac device in the left chest has leads projecting over the right atrium and right ventricle . Deviation of the trachea and abnormal mediastinal contour are unchanged .
    OUTPUT:
    
No acute intrathoracic process .