Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The overall examination is minimally changed since ___ . There has been interval extubation . There is no pneumothorax . A small right pleural effusion and collapsed right upper lobe remain stable . A left retrocardiac opacity is minimally increased .
    OUTPUT:
    
1 . Post extubation . 2 . Unchanged right upper lobe collapse and small right effusion .