1. Department of Surgical Oncology; Nagasaki University Hospital; Nagasaki Japan
2. Department of Gynecology; Aiyuukai Memorial Hospital; Chiba Japan
3. Department of Surgery; The Japanese Red Cross Nagasaki Genbaku Hospital; Nagasaki Japan
4. Department of Pathology; Nagasaki University Hospital; Nagasaki Japan
5. Department of Pathology; The Japanese Red Cross Nagasaki Genbaku Hospital; Nagasaki Japan
6. Department of Tumor and Diagnostic Pathology; Atomic Bomb Disease Institute, Nagasaki University; Nagasaki Japan
7. Department of Surgery; St. Francis Hospital; Nagasaki Japan