Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lobulated left hilar density from known left hilar mass appears smaller since ___ . It s extent is better evaluated on a dedicated CT dated ___ . There are no lung opacities which are concerning for pneumonia . There is no volume loss . Heart size is normal . Mediastinal and hilar contours are unremarkable . Mild blunting of the right posterior costophrenic sulcus is unchanged . No pleural effusion .
    OUTPUT:
    
No pneumonia . Left hilar lesion from known malignancy appears smaller since ___ and its extent is better evaluated on recent dedicated chest CT .