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Table 1
Items and frequencies of cancer screenings and noncancerous diseases examinations.
| Type of examination | Examination items | Frequencies |
|---|---|---|
| Gastric cancer screening | a. Gastric fluoroscopy examination or gastric endoscopy examination | a. Once a year |
| b. Helicobacter pylori antibody test | b. Once for each person | |
| Lung cancer screening | a. Lung X-ray examination | a. Once a year |
| b. Sputum cell examination for smokers | b. Once a year | |
| c. Chest CT examination upon request from physician | c. Once a year for smokers, once every 3 years for non-smokers | |
| Colon cancer screening | a. Fecal occult blood test | a. Once a year |
| b. Colonoscopy if a medical doctor judges it necessary from the result of (a) and radiation exposure dose, etc. | b. Approximately once every 10 years | |
| Thyroid examination/cancer screening | a. Neck ultrasonography | a. Once every 3 to 5 years |
| b. Measurement of thyroid-stimulating hormone (TSH), free triiodothyronine (free T3) and free thyroxine (free T4) from blood samples in the case that a medical doctor judges them necessary from the result of (a) or radiation exposure dose, etc. | ||
| Other examinations | a. Hepatitis testing (HBs antigens and HCV antibodies) | a. Once for each person |
| b. Renal function tests (urea nitrogen, creatinine, uric acid), blood serum chemistry examination (Na, K, Cl, Ca, P) | b. Once a year |
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