Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The mediastinal contours are unremarkable , and the pulmonary vascularity is not engorged . Known left lower lobe mass is redemonstrated , with a small associated left pleural effusion , as seen on the recent CT . Fullness of the right hilum likely reflects known lymphadenopathy , and the right lung otherwise is clear without pleural effusion or pneumothorax . No acute osseous abnormality is seen . There are mild degenerative changes of the thoracic spine .
    OUTPUT:
    
Left lower lobe mass as demonstrated on the prior CT , with small left pleural effusion . Right hilar fullness compatible with underlying lymphadenopathy . No new focal consolidations to suggest pneumonia .