Physical inactivity is an established risk factor for several cancers of the digestive system and female reproductive organs, but the evidence for liver cancers is less conclusive.

中文翻译：

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体力活动与肝癌风险：前瞻性研究的系统回顾和荟萃分析以及偏差分析。

缺乏身体活动是多种消化系统癌症和女性生殖器官癌症的既定危险因素，但肝癌的证据尚不那么确凿。