Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The small left apical pneumothorax has further decreased in size , now seen as a 1 .1 cm loculated apical lucency . There is a small unchanged left pleural effusion , likely with superimposed atelectasis . There is no focal consolidation or pulmonary edema . There is a normal postoperative appearance of the mediastinum .
    OUTPUT:
    
1 . Interval decrease in size of small left apical pneumothorax . 2 . Unchanged small left pleural effusion .