Affiliation: | 1. Department of Cytopathology, Kansai Medical University Takii Hospital, Osaka, Japan;2. Second Department of Pathology, Kansai Medical University, Osaka, Japan;3. Cancer Education and Research Center, Osaka University Graduate School of Medicine and Health Science, Osaka, Japan;4. Department of Pathology, Saiseikai Shiga Hospital, Imperial Gift Foundation, Inc., Shiga, Japan |