Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Low lung volumes are noted . Known right hilar mass is redemonstrated . Linear right basilar opacity is likely due to atelectasis superimposed on a right - sided effusion which has not significantly changed . Left upper lung nodular opacities concerning for metastatic disease as previously seen on CT . There is no definite new consolidation . Azygos lobe is again noted .
    OUTPUT:
    
Known right perihilar mass and right pleural effusion with associated atelectasis . No definite superimposed acute process based on this portable film with low lung volumes .