Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a small right apical pneumothorax , unchanged compared to the prior exam . Extensive consolidation in the left upper lobe and left lower lobes are unchanged and consistent with patient 's known cancer . The right middle lobe opacity could be secondary to worsening malignancy or atelectasis and appears increased since the study from ___ . The cardiomediastinal contours are stable .
    OUTPUT:
    
Unchanged small right apical pneumothorax .