Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pleural catheter is again seen in the left lung base , with interval decrease in pleural fluid , now trace . The lungs are clear and the heart size and mediastinal contours are stable . Right chest wall port catheter tip terminates in the low SVC . Lucency at the left apex is increased but there is no clear pleural line . Attention on follow up is recommended .
    OUTPUT:
    
Interval decrease in left pleural effusion , now trace . Attention on follow up of left lung apex , but no clear pneumothorax .