Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular approach Swan - Ganz catheter could be advanced 3 - 4 cm for ideal positioning . An enteric tube descends below the field of view . An endotracheal tube terminates 7 .6 cm above the carina . The lungs are clear without consolidation , or pleural effusion . No pneumothorax .
    OUTPUT:
    
Swan - Ganz catheter could be advanced 3 - 4 cm for ideal positioning . No pneumothorax .