The risk of a second cancer increased with the number of first degree relatives with cancer.
患第二种癌症的风险随着一等亲患癌症的人数增加而增加。
Second-degree relatives are aunts and uncles, nephews and nieces, grandparents and grandchildren.
二级亲属包括伯姑舅姨、侄子女和祖父母。
Second-degree relatives are aunts and uncles, nephews and nieces, grandparents and grandchildren.
二级亲属包括伯姑舅姨、侄子女和祖父母。
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