Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is normal . The lungs are clear . There is no pneumothorax or pleural effusion . Slight irregular contour to the right eighth and ninth ribs may represent nondisplaced fractures .
    OUTPUT:
    
Slight irregular contour to the right eighth and ninth ribs may represent nondisplaced fractures . No pneumothorax .