Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An enteric tube descends below the field of view . Pigtail catheter is in stable position , projected over the base of the right hemi thorax . A large right pleural effusion is likely minimally increasing in size from ___ , given differences in patient positioning . No pneumothorax is identified . There is some retrocardiac opacity which may represent atelectasis . Right basal opacity also likely represents a component of atelectasis .
    OUTPUT:
    
Large right pleural effusion his likely minimally increased given differences in positioning .