Affiliation: | 1. Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Irwon-dong Gangnam-gu, Seoul, 135-710, South Korea 2. Department of Oncology, Asan Medical Centre, University of Ulsan College of Medicine, Seoul, South Korea 3. Division of Medical Oncology, Department of Internal Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, South Korea 4. Division of Hematology/Oncology, Department of Internal Medicine, Korea Cancer Center Hospital, Korea Institute of Radiological and Medical Sciences, Seoul, South Korea 5. Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea 6. Samsung Medical Center, Samsung Cancer Research Institute, Seoul, South Korea 7. Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
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