Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the most recent exam , a right - sided pigtail catheter remains in stable position . Previously seen small , right apical pneumothorax appears slightly larger on the current examination in comparison to the recent prior . The remainder of the examination is largely unchanged with right sided pleural effusion and widespread bilateral opacities .
    OUTPUT:
    
Again seen is a right apical pneumothorax , slightly larger than on prior examination .