Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided dual - lumen central venous catheter is present , with the tip in the region of the caval - atrial junction . There appear to be two left - sided basilar chest tubes . There is probably a persistent small left pleural effusion , unchanged since the prior examination . Surgical ___ at the left lung apex are again seen . No new pulmonary opacities , or evidence of recurrence / worsening pneumothorax / pleural effusion .
    OUTPUT:
    
Minimal interval change since the prior examination . The previously described left apical residual pneumothorax is not clearly seen on this examination .