Affiliation: | 1. Department of Diagnostic Pathology, Japanese Red Cross Kochi Hospital, Kochi‐city, Kochi 780‐8562, Japan;2. Department of Surgery, Japanese Red Cross Kochi Hospital, Kochi‐city, Kochi 780‐8562, Japan;3. Department of Internal Medicine, Japanese Red Cross Kochi Hospital, Kochi‐city, Kochi 780‐8562, Japan;4. Department of Internal Medicine, JA Kochi Hospital, Myokenji, Nangoku‐city, Kochi, 783‐8509, Japan |