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女性乳腺是辐射致癌敏感的组织，不少流行病学研究已证明较大剂量的电离辐射可诱发妇女乳腺癌，但是较低剂量的职业X线照射能否诱发乳腺癌至今尚无定论。此外，遗传、内分泌、生育及饮食等其它因素均可对乳腺癌的发生产生重要影响，这些因素对电离辐射致乳腺癌效应的影响目前也
Female mammary glands are radiation-induced cancer-sensitive tissues. Many epidemiological studies have demonstrated that relatively large doses of ionizing radiation can induce breast cancer in women. However, it is still unclear whether lower-dose professional X-ray irradiation can induce breast cancer. In addition, other factors such as heredity, endocrinology, fertility and diet can have an important impact on the occurrence of breast cancer. The influence of these factors on the breast cancer effect caused by ionizing radiation is also present.