1. Department of Pathology and Translational Genomics Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul South Korea
2. Department of Otorhinolaryngology‐Head and Neck Surgery Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul South Korea
3. Department of Radiation Oncology Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul South Korea
4. Division of Hematology‐Oncology, Department of Medicine Samsung Medical Center, Sungkyunkwan University School of Medicine Seoul South Korea
5. Department of Radiology, Samsung Medical Center Sungkyunkwan University School of Medicine Seoul South Korea