Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tip of an accessed left pectoral MediPort extends into the right atrium . Lung volumes are low , but the lungs are grossly clear . The trachea is midline with tracheostomy tube in place . Assessment for tracheitis would be more appropriate with cross - sectional imaging . There is no pneumothorax . The heart and mediastinum are within normal limits despite the projection . There is unchanged interposition of the colon under the diaphragm .
    OUTPUT:
    
No change from the study of 1 day prior .