Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upper chest film ___ at 08 : 28 is submitted .
    OUTPUT:
    
A left pleural catheter remains in place and there is no significant interval change in appearance of the left - sided pleural effusion with associated patchy atelectasis in the left mid and lower lung . Patchy opacity at the right base is also stable and may reflect atelectasis . Superimposed infection can not be excluded . There may be a small left apical pneumothorax with the lung edge overlying the left third posterior rib . This can be better assessed on followup imaging . No pulmonary edema .