Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a dual - lumen dialysis catheter terminating in the uppermost part of the atrium , in an unchanged position . The heart is normal in size . The aortic arch is partly calcified . There is no pleural effusion or pneumothorax . The lungs appear clear aside from patchy right infrahilar opacity that appears unchanged and may be associated with minor chronic scarring or atelectasis . The appearance includes mildly dilated descending airways noting an element of slight bronchiectasis . There are similar degenerative changes which are incompletely characterized along the right shoulder . The bones appear sclerotic compatible with known renal osteodystrophy .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .