Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size is top - normal . Opacity in the right lower hemi thorax is a combination of pleural effusion and adjacent consolidation . The right pleural effusion has decreased , there is persistent collapse of the right middle lobe and large atelectasis in the right lower lobe . Left lower lobe retrocardiac opacities have increased could be atelectasis , superimposed infection can not be excluded in the appropriate clinical setting . A pleural catheter in the right lower hemi thorax is in place . There is no evident pneumothorax .
    OUTPUT:
    
Decrease in size of large right pleural effusion with persistent collapse of the right middle lobe and large atelectasis in the right lower lobe . Retrocardiac opacities could be atelectasis or pneumonia in the appropriate clinical setting