Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Comparison is made to prior examination of ___ . The heart is normal in size . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . The lungs are clear . There are no pleural effusions . Note is made of gaseous distention of the colon to 6 .9 cm in transverse colon suggestive of ileus .
    OUTPUT:
    
1 . Normal examination of the chest . 2 . Gaseous distention of the colon concerning for ileus .