Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette appears enlarged but is likely exaggerated by low lung volumes . The mediastinal silhouette appears normal and is without signs of SVC enlargement . There is a left moderate pleural effusion that is new when compared to ___ study . There is multiple levels of height loss within the thoracic spine which may be better evaluated by dedicated spine study .
    OUTPUT:
    
1 . No evidence of SVC enlargement or right upper lobe mass . 2 . New moderate left pleural effusion .