Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , the left pneumothorax is largely unchanged . The small right apical pneumothorax is again visible , with a pleural line projecting between the third and fourth posterior rib . No evidence of tension . The heart size is top - normal , unchanged . Retrocardiac atelectasis is unchanged . No effusions or focal consolidation concerning for pneumonia . Intact median sternotomy wires .
    OUTPUT:
    
Unchanged left apical pneumothorax , with reappearance of the small right apical pneumothorax . No evidence of tension .