Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette and pulmonary vasculature are unremarkable . There are small , bilateral pleural effusions . Midline sternotomy wires are intact and well aligned . Evidence of prior left rib trauma is noted . There has been interval removal of a right - sided internal jugular sheath .
    OUTPUT:
    
Expected postoperative appearance of the chest . No pneumothorax