Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior examination and there is the removal of the endotracheal tube and placement of a tracheostomy tube which is in standard position . A right - sided subclavian central venous catheter remains at the cavoatrial junction . There is subtle opacity at the bilateral lung bases greater on the right similar to prior study . The lung apices are clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Subtle right greater than left basal opacities similar to prior which could represent aspiration . 2 . Tracheostomy tube in standard position .