Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a very large left - sided pleural effusion with opacification of nearly the entire left hemi thorax with a small amount of aerated left upper lobe . There is associated rightward mediastinal shift . The cardia as mediastinal silhouette is non evaluable . The right lung is clear . The fluid appears to partially ___ on the left lateral decubitus views , though the lower component is difficult to assess due to its size . There is re- demonstration of a severe compression deformity of T9 , unchanged compared to the prior exam as well as moderate to severe wedge compression of the T5 vertebral body which appears increased compared to the prior study . Mild compression of the L2 vertebral body appears unchanged .
    OUTPUT:
    
1 . Very large left - sided pleural effusion with a past chin of nearly the entire left hemi thorax which appears to ___ on left lateral decubitus views , though the component in the lower left thorax is difficult to evaluate mainly due to its size . 2 . Vertebral body compression deformities as above with interval increase in severity of the T5 compression .