1. Department of RadiologyKyung Hee University Hospital, College of Medicine, Kyung Hee University Seoul South Korea
2. Department of RadiologyKyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University Seoul South Korea
3. Department of PathologyKyung Hee University Hospital at Gangdong, College of Medicine, Kyung Hee University Seoul South Korea