Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is minimally enlarged . The mediastinal contours demonstrate calcified atherosclerotic disease throughout the aorta . Calcified pleural plaques overlie the lungs and also line the hemidiaphragms . There is no large pleural effusion or pneumothorax . There is no overt pulmonary edema . Degenerative changes are seen throughout the thoracic spine .
    OUTPUT:
    
Cardiomegaly , but no evidence of fluid overload .