Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . No focal consolidation , pulmonary edema , or pneumothorax . The heart is mildly enlarged . There is a small right anterior pleural effusion best seen on the lateral view . No left pleural effusion . The descending aorta slightly tortuous . Multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
Mild cardiomegaly and small anterior right pleural effusion . No edema .