Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The NG and ET tubes have been removed . There is marked interval increase in size of the left - sided pleural effusion . Difficult to comment on the interval change of the left lung airspace consolidation , as the vague airspace opacification projecting over the left upper and mid lung zones may be secondary to pleural fluid or airspace consolidation . Mild mediastinal shift to the right . The major airways are patent . No pneumothorax . Small to moderate right - sided effusion unchanged . The right upper lung zone is clear . Evidence of previous cholecystectomy .
    OUTPUT:
    
Marked interval increase in size of the left - sided pleural effusion .