Exploring the prognostic impact of tumor sidedness in ovarian cancer: A population-based survival analysis of over 10,000 patients
For some cancers the side of origin makes a difference in survival. The side of presentation for instance, affects Colon cancer, with left sided tumours having better survival. Differences in genetic and physical factors account for the side variation in colon cancer.
This study looks at a large number of women who have ovarian cancer and explores the impact of which side of the abdomen is affected. Data from the SEER public database provided information about more than 10,000 women who had ovarian cancer during the period, 2004 through to 2017.
Of these women about 26% had bilateral cancer at presentation, the remainder had an equal distribution between right and left side. Results showed no survival advantage for either side, Women with bilateral disease at presentation do slightly worse.
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