Radiotherapy for breast cancer linked to greater risk of second primary lung cancer

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Posted On: February 27, 2017 by Essentially Women in: Essential News

East Asian female breast cancer patients receiving radiotherapy have a higher risk of developing second primary lung cancer. Lung cancer is the leading cause of cancer deaths worldwide, causing more deaths than breast, colon and prostate cancers combined. The risk factors for developing lung cancer include tobacco smoking, age, family history, medical or occupational radiation exposure and other chronic inflammatory diseases such as pulmonary fibrosis and chronic obstructive pulmonary disease (COPD). Further, a history of prior cancer such as lymphoma, head and neck cancer or smoking-related cancer is considered to be a risk factor for developing second primary lung cancer (SPLC). Studies have also shown that second primary cancers, specifically esophageal cancer, can develop after receiving radiation therapy for a prior cancer. Interestingly, while radiation exposure is a known risk factor for lung cancer, it is not clear whether treatment with radiation therapy (RT) for breast cancer

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