Organization and Mission Radiation Risk Control Unit Department of Radiation Biology and Protection Department of Health Risk Control Department of Radiation Molecular Epidemiology Department of Global Health, Medicine and Welfare Department of Radiation Medical Sciences Cellular Function Analysis Unit Department of Stem Cell Biology Department of Molecular Medicine Genomic Function Analysis Unit Department of Human Genetics Department of Tissue Repair and Regenerative Medical Science Atomic Bomb Disease and Hibakusha Medicine Unit Department of Hematology Department of Tumor and Diagnostic Pathology Department of Radioisotope Medicine Center for Promotion of Collaborative Research on Radiation and Environment Health Effects Division of Strategic Collaborative Research Division of Scientific Data Registry Biostatistics Section Tissue and Histopathology Section Representative Office for Molecular Epidemiological Studies Around Chernobyl Nagasaki University-Kawauchi Village Reconstruction Promotion Base Nagasaki University-Tomioka Town Reconstruction Promotion Base Unit of International Hibakusha Medicine [ Collaborative Course ]