Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA frontal and lateral chest radiograph demonstrates poorly visualized left - sided chest tube seen in the left lower lobe . There is persistent moderate left pleural effusion with associated atelectasis which is unchanged when compared to chest radiograph dated ___ . There is decreased interstitial prominence suggestive of resolved pulmonary edema . There is no new focal consolidation . Hear size is difficult to determine in setting of left pleural effusion . Hilar and mediastinal contours are unchanged in appearance . No definite pnemothorax identified .
    OUTPUT:
    
Left sided pleural effusion essentially unchanged in appearance when compared to chest radiograph dated ___ . No pneumothorax .