Conditional Relative Survival of Ovarian Cancer: A Korean National Cancer Registry Study
It has been long thought that the chances of survival with ovarian cancer increase with time after initial diagnosis. This study, from Korea, provides an objective measure of how significant this improvement is.
Retrospective review of almost 300 thousand women with ovarian cancer, of whom about two thirds died, showed that the most dangerous period was the first year; when about 12% of patients die. All the women were diagnosed during the period 1997-2016 .
For each year after the first the odds of 5 years survival increase; from 61% initially to 84% after 5 years. Survival is longer in Korea than Australia due to the different mix of ovarian cancer, with endometrioid and clear cell cancer being more common. Knowing this will be useful in counselling women with ovarian cancer that, “Yes, things do get better”.
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