Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient status post left upper lobe bisegmentectomy and left lower lobe superior segmentectomy . Bilateral low lung volumes . Left upper lobe opacity likely combination of fluid , postoperative changes , and possible hematoma , unchanged from ___ . Small left apical pneumothorax is also unchanged . No pneumomediastinum . Bibasilar atelectasis relatively unchanged . No pulmonary edema . Cardiac size is enlarged but unchanged . Left chest tube again noted , appearance from ___ likely secondary to changes in position .
    OUTPUT:
    
Left upper lobe opacity likely combination of fluid and postoperative changes unchanged . No change in small left apical pneumothorax .