Why cancer screening has never been shown to “save lives”—and what we can do about it

News & Views Why cancer screening... Why cancer screening has never been shown to “save lives”—and what we can do about it Analysis Why cancer screening has never been shown to “save lives”—and what we can do about it BMJ 2016; 352 doi: https://doi.org/10.1136/bmj.h6080 (Published 06 January 2016) Cite this as: BMJ 2016;352:h6080 Including all mortality Click here to see an infographic, explaining

[godmother]

毎年、子宮がん、（大腸がん）と胃癌の検査をやっているけど、なんだか複雑な気持ちになるなあ。癌の全体的な死亡率は、封じ的にはむしろ高くなる。

[doopylily55]

”…reduce disease specific mortality without significantly reducing overall mortality. Firstly, studies may be underpowered to detect a small overall mortality benefit. Secondly, disease specific mortality reductions may be offset by deaths due to the downstream effects of screening.”