Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-erect AP views of the chest were obtained . Again seen is extensive nodular pleural thickening involving the right lung compatible with metastatic pleural disease . Persistent opacification is seen within the right lung base , unchanged from ___ . Multiple nodular opacities in the left lung were better appreciated on prior study since there are low lung volumes on the current study and left base opacity . There is new opacification of the left lung base , which could be related to effusion , however , can not exclude consolidation . The cardiomediastinal silhouette is unchanged from prior exam . There is no pneumothorax .
    OUTPUT:
    
Compared to the prior chest radiograph , there is a new left lung base opacity , which could represent effusion , however , can not exclude consolidation . There is stable appearance of the right lung base opacity . Known bilateral pulmonary metastases , better assessed on CT .