Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall port is again noted . Diffuse bilateral parenchymal metastases are identified . There is new retrocardiac opacity which silhouettes portion of the hemidiaphragm . Cardiomediastinal silhouette is stable . Diffuse sclerotic osseous metastases are identified .
    OUTPUT:
    
Diffuse metastatic disease . Additional left basilar opacity silhouetting the hemidiaphragm , new since prior could represent superimposed infection .