Ovarian cancer

There is no routine screening test for ovarian cancer, and 54% of cases have already spread to other organs by the time they are found. Caught early, survival is nearly three times better.

Five-year relative survival by stage

Stage at diagnosis 5-year survival Share of cases
Caught early : Still only where it started. This is what screening looks for. 91.9% 22.0%
Spread nearby : Reached lymph nodes or tissue next to where it started. 70.1% 18.0%
Caught late : Reached organs elsewhere in the body. Doctors call this metastatic. 31.5% 54.0%
Stage unknown : The record did not say how far it had spread. 38.5% 6.0%
All cases : Everyone diagnosed, early and late together. 52.0% n/a

Source: NCI SEER Cancer Stat Facts, cases diagnosed 2016-2022.

Figures are 5-year relative survival by SEER stage at diagnosis from the NCI Surveillance, Epidemiology, and End Results (SEER) program. They describe outcomes by the stage at which a cancer was found; they are not outcomes attributable to whole-body MRI screening, which has not been shown in randomized trials to reduce cancer mortality. What these numbers do and do not show.

2.9×

Better odds of being alive five years later when ovarian cancer is caught before it spreads, compared with after it has reached other organs.

Where cases are caught today

54.0% of ovarian cancer cases have already spread to other organs by the time anyone looks.

Other cancers where stage decides the outcome

5-year relative survival, 2016-2022. NCI SEER Cancer Stat Facts

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