1. Department of Laboratory Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431‑3192, Japan
2. Second Department of Surgery, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431‑3192, Japan
3. Department of Endoscopic and Photodynamic Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431‑3192, Japan
4. First Department of Medicine, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431‑3192, Japan
5. Diagnostic Pathology, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431‑3192, Japan
6. Tumor Pathology, Hamamatsu University School of Medicine, Hamamatsu, Shizuoka 431‑3192, Japan