Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a tracheostomy tube , the tip terminates 4 cm above the level of the carina . A left internal jugular catheter terminates in the mid to distal SVC . The cardiomediastinal contour is normal . The heart is not enlarged . Lung volumes are within normal limits . No consolidation , pneumothorax or pleural effusion seen .
    OUTPUT:
    
A tracheostomy tube terminates approximately 4 cm above the level of the carina .