Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been reinsertion of a pigtail catheter at the left lung base . Again noted are changes of left lower lobe VATS / decortication , with elevation and obscuration of the left hemidiaphragm . Residual opacities are noted throughout the left lung , particularly at the base . Moderate bilateral pleural effusions persist , left greater than right . There is a loculated left anteromedial effusion with internal air - fluid level . The significant right effusion is also best appreciated on the lateral view . Heart size is normal .
    OUTPUT:
    
1 . Left pigtail catheter placement . 2 . Stable post - surgical changes , left lung opacities , and bilateral pleural effusions .