Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest . Small bilateral pleural effusions as well as left lower lobe mass and chronic left lower lobe collapse are all unchanged since the prior radiograph . The lungs are otherwise clear with no new focal opacity . The heart is unchanged and top normal . Mediastinal contours are normal without lymphadenopathy . Emphysematous changes characterized by increased AP diameter and flat diaphragms as well as hyperinflated lungs are also unchanged . Calcified aorta is again seen .
    OUTPUT:
    
1 . Stable small bilateral pleural effusions , left greater than right . 2 . Unchanged appearance of left lower lobe mass and partial collapse .