Malignant tumor's ratio of proportional mortality rate increased year by year, many district malignant tumor mortality rates also had the obvious trend of escalation.

三峡库区恶性肿瘤在死因构成所占比例逐年增加，各区县恶性肿瘤死亡率也呈现明显的上升趋势。

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Malignant tumor's ratio of proportional mortality rate increased year by year, many district malignant tumor mortality rates also had the obvious trend of escalation.

三峡库区恶性肿瘤在死因构成所占比例逐年增加，各区县恶性肿瘤死亡率也呈现明显的上升趋势。

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