Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant interval change . Tip of nasogastric tube can not be seen , likely below the diaphragm . Swan - Ganz catheter in the right main pulmonary artery . Intra-aortic balloon catheter in the aortic knob . Left pleural effusion and probably lower lobe atelectasis with no interval change . Small right effusion .
    OUTPUT:
    
Stable appearance of the chest . Nasogastric tube probably below the diaphragm .