Table 5.

Diagnosed cases of radiation-related occupational cancer in Korea (2000~ 2015)

Year	Gender	Age	Occupation	Employment period (year)	Exposure dose (mSv)	Cancer site	Association with occupation
2015	Female	34	Nurse	11.3	Below limits	Breast cancer	Low
	Female	43	Semiconductor manufacturing	7	Below limits	Breast cancer	Low
	Female	42	Semiconductor manufacturing	5.6	0.33	Breast cancer	Low
	Female	35	Semiconductor manufacturing	8.7	Below limits	Breast cancer	Low
	Female	29	Artifact preservation	6.8	Below limits	Intraepithelial carcinoma	Low
	Male	40	Semiconductor manufacturing	5.5	Below limits	Thyroid papillary carcinoma	Low
	Female	33	Semiconductor manufacturing	3.1	Below limits	Brain tumor	Low
2013~ 2014	Male	43	NDT	0.3	7.23	Acute myeloid leukemia	Low
	Male	38	NDT	10	28.84 (for 5 years)	Acute lymphocytic leukemia	High
	Male	47	Radiation oncology specialist	0.8	Possibly over exposure dose limit	Acute lymphocytic leukemia	High
	Male	41	NDT	11	Below limits	Malignant lymphoma	Low
	Male	37	Semiconductor equipment mechanic	13	20.15~ 34.71	Chronic myelomonocytic leukemia	Low
	Male	52	Radiologist	26	Below limits	Rectal cancer	Low
	Female	38	Hospital infection management	11	Below limits	Glioblastoma	Low
	Female	50	Dental nurse	6.4	1.87~ 93.48	Thyroid cancer	Low
	Female	43	Radiologist	18	Below limits	Thyroid cancer	Low
	Male	58	NDT	5	80.77	Aplastic anemia	Low
2012	Male	45	Radiologist	21	204.17	Chronic myeloid leukemia	High
	Male	58	Power plant equipment mechanic	21	1.71	Acute lymphocytic leukemia	Low
	Male	40	X-ray apparatus seller	10.5	140~ 260	Anaplastic large cell lymphoma	High
	Male	53	CT radiographer	18	24.34	Thrombocytopenia	Low
	Male	48	Nuclear worker	7.8	12.25	Stomach cancer	Low
	Female	33	Semiconductor implant operation	4.7	Below limits	Breast cancer	Low
	Male	44	Melting furnace operation	19.6	Below limits	Kidney cancer	Low
2011	Male	42	Artifact preservation	7.2	Below limits	Acute lymphocytic leukemia	Low
	Male	35	Production	1.4	Below limits	Acute myeloid leukemia	Low
2010	Male	39	Machine operator	11	16.51 + potential additional exposure	Acute myeloid leukemia	Issue
	Female	32	Cleaning	5	Below limits	Acute myeloid leukemia	Low
	Male	47	Manufacturing	21	Below limits	Acute myeloid leukemia	Low
	Male	52	Process technician	20	Possible exposure	Brain tumor	Issue
2009	Male	47	Electric power generation worker	21.4	98.32	Stomach and pancreatic cancer cancer	Low
	Male	36	Hospital worker	8	4.5~ 55.4	Thyroid cancer	Low
2008	Female	21	Semiconductor manufacturing	2.5	Below limits	Acute myeloid leukemia	Low
	Male	31	Semiconductor manufacturing	7	Below limits	Acute lymphocytic leukemia	Low
	Female	30	Semiconductor manufacturing	11	Below limits	Acute myeloid leukemia	Low
2005	Male	47	NDT	0.7	Possibly twice over exposure dose limit	Carcinoma of unknown primary site	High
2004	Male	45	Laboratory worker	14	Below limits	Thyroid cancer	Low
	Male	59	Administration	23	51.79	Pancreatic cancer	Low
2002	Male	43	Electric power generation worker	8	1.24	Lung cancer	Low
2001	Male	41	Welder	7	37.87	Non-Hodgkin lymphoma	Low
2000	Male	53	Administration	23	Below limits	Lung cancer	Low
	Male	37	Welder	10	18.5	Acute myeloid leukemia	High
	Male	28	Analyst	2	Below limits	Panmyelophthisis	Low

Below limits: Exposure dose was estimated at natural exposure levels or below the dose limit of radiation workers

NDT non-destructive testing, CT computed tomography