Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Multiple healing bilateral rib fractures are present have been more fully detailed on CT of ___ . There remains no evidence of pneumothorax . Cardiomediastinal contours are stable . Bilateral nonspecific patchy infrahilar opacities have improved in the interval . Nonspecific peripheral opacities are present in both mid lung regions , and note is made of a small right pleural effusion .
    OUTPUT:
    
Healing bilateral rib fractures . The nonspecific mid and lower lung opacities could potentially be due to pneumonia . CT may be helpful for more complete characterization of lung findings if warranted clinically .