A nonsignificant trend toward higher SIRs was observed for lung (1.67, 95% CI 0.99‐2.77), colorectal (1.34, 95% CI 0.76‐2.31), and urinary tract cancers (1.84, 95% CI 0.86‐3.79).
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Risk of second primary malignancies after definitive treatment for esophageal cancer: A competing risk analysis.
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