Risk of second primary malignancies among patients with prostate cancer: A population-based cohort study.

PLoS One · 2017 · PMC5383246 · PMID 28384363

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did not reach statistical significanceno p-value reported

A hospital-based series from Japan involving 312 patients found PCa that tended to be associated with a lower risk of developing SPMs, but this difference did not reach statistical significance (relative risk 0.71, 95% confidence interval [CI] 0.45–1.4) [ 13 ].

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