Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enteric tube tip well below diaphragm , not included on the radiograph . Trace free air suggested underneath left hemidiaphragm , may be related to paracentesis performed earlier this morning , clinically correlate . Pulmonary vascularity has improved . Bibasilar opacities have improved . Small right pleural effusion is more apparent . Shallow inspiration accentuates heart size , which has improved . No pneumothorax . Stable right rib fractures , likely chronic on
    OUTPUT:
    
Small volume free peritoneal air suggested , may be from earlier today paracentesis , clinically correlate . Improved cardiopulmonary findings .