Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Evidence of bilateral pleural effusions again seen , appears increased as compared to the prior study . There are also increase in bilateral pulmonary opacities which may relate to metastatic disease , although underlying acute inflammation or infection also possible . The cardiac silhouette is difficult to assess due to bibasilar opacities . Mediastinum is stable . No pneumothorax .
    OUTPUT:
    
Increased bilateral pulmonary opacities likely in part due to increase in bilateral pleural effusions . Increased parenchymal appearing opacities bilaterally may be due to worsening metastatic disease . However , acute inflammatory or infectious process not excluded .