Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest demonstrates interval removal of an ET tube and placement of a tracheostomy , in the expected location . The right subclavian approach central venous catheter has tip in the mid SVC . The heart is normal in size . The mediastinal and hilar contours are normal . The lung volume remains decreased . There is dense persistent retrocardiac atelectasis and unchanged blunting of the left costophrenic angle suggestive of a trace effusion . There is no large pleural effusion on the right . There is no pneumothorax or pulmonary edema . A previously indwelling enteric tube has been removed in the interim .
    OUTPUT:
    
Interval placement of tracheostomy tube .