Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP chest film ___ at 17 34 is submitted .
    OUTPUT:
    
Cardiac and mediastinal contours are stable . There has been interval placement of a right chest tube and interval appearance of patchy opacity in the right mid lung which likely is postoperative in etiology given the presence of chain sutures in this vicinity . No large pneumothorax is appreciated , although the sensitivity to detect pneumothorax is diminished as the patient was imaged supine . Lung volumes are lower and the vasculature is slightly prominent but no overt pulmonary edema . No pleural effusions . Numerous bilateral pulmonary nodules are better appreciated on the recent chest CT dated ___ .