Institution: | 1. Department of Radiology, Cheil General Hospital and Women's Healthcare Center, Kwandong University College of Medicine, 1‐19, Mookjeong‐dong, Jung‐gu, Seoul, 100‐380, Korea;2. Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan, 388‐1 Poongnap‐dong, Songpa‐gu, Seoul, 138‐736, Korea;3. Department of Pathology, Asan Medical Center, University of Ulsan, 388‐1 Poongnap‐dong, Songpa‐gu, Seoul, 138‐736, Korea |