Smoking causes 70 percent of cases among men while only 18 percent of female patients developed cancer from smoking or inhaling second-hand smoke, according to the report.

报告显示，案例中男性患者中70%是由抽烟诱发癌症的，而直邮18%的女性患者是因为抽烟或被迫吸入二手烟才诱发癌症的。

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Smoking causes 70 percent of cases among men while only 18 percent of female patients developed cancer from smoking or inhaling second-hand smoke, according to the report.

报告显示，案例中男性患者中70%是由抽烟诱发癌症的，而直邮18%的女性患者是因为抽烟或被迫吸入二手烟才诱发癌症的。

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