Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are moderate to large layering bilateral pleural effusions , right greater than left . Bibasilar atelectasis . Underlying parenchymal opacities are likely present particularly in the right lower lobe as seen on prior CT of the chest ___ . Heart size is normal . There is no pneumothorax . Areas of sclerosis in bilateral scapular , and throughout the ribs is compatible with known metastatic prostate cancer . There is also known metastatic disease in the thoracic spine . There is a partially imaged drain or catheter projecting over the left mid abdomen .
    OUTPUT:
    
1 . Layering moderate to large bilateral pleural effusions , right greater than left . More accurate quantification could be performed with upright lateral radiograph or CT chest . 2 . Known osseous metastatic disease .