Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a left subclavian approach hemodialysis catheter from the most recent prior study . Otherwise , the appearance of the chest is little changed . The lungs are clear without focal consolidation , pleural effusion , or pneumothorax . The pulmonary vasculature is not engorged . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . Calcification of the aortic knob is noted . Multilevel degenerative changes of the thoracic spine are seen with small osteophyte formation . There is no free air beneath the right hemidiaphragm .
    OUTPUT:
    
Interval removal of hemodialysis catheter with no acute findings in the chest .