The results showed that the risk of lung cancer increased with accumulated radon decay products(WLM),exposure years of radon,first radon progeny age attained.

• 结果表明：调整年龄、粉尘或砷暴露后，随累积氡子体暴露量（WLM）增大、暴露年限越长、首次氡子体暴露年龄越小患肺癌的危险性越大。