Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral pulmonary nodules and potentially masses , most numerous at the lung bases . The largest conglomerate abnormality projects over the superior segment of the right lower lobe . Blunting the left costophrenic angle could be due to atelectasis or small effusion . The cardiomediastinal silhouette is within normal limits . No definite focal osseous abnormality identified . Deformity of the mid left clavicle suggests prior healed fracture .
    OUTPUT:
    
Diffuse bilateral nodules / masses in the lungs , most numerous at the lung bases worrisome for metastatic disease . Please note that superimposed infection , particularly in the right lower lobe would be difficult to exclude given disease burden and lack of priors .