Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An AP view of the chest is submitted showing chain sutures in the right mid lung field and adjacent spiculated density corresponding to postoperative changes seen on CT from earlier today . A single surgical clip or fiducial marker is identified just inferior to this which is seen posteriorly on the CT . No pneumothorax is seen on this single view which appears to be an upright expiratory film . Chest port with intact tubing is seen over the right upper lung zone . The heart and mediastinal contours appear unchanged . There is gaseous distention of the stomach beneath the left hemidiaphragm which is slightly elevated on this image .
    OUTPUT:
    
No pneumothorax seen .