Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Minimal decrease in size of the right pleural effusion tracking into the minor fissure . No edema or pneumothorax . The heart is moderately enlarged , unchanged . The descending thoracic aorta slightly tortuous and / or ectatic , also unchanged . No pneumothorax . Multi - level degenerative changes with anterior osteophytes in the mid thoracic spine are noted .
    OUTPUT:
    
Small to moderate right pleural effusion , perhaps slightly decreased in size .