Fan-Chen Ku

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BACKGROUND To evaluate the risk and sites of metachronous secondary primary malignancies (SPMs) among patients with esophageal cancer. METHODS Newly diagnosed esophageal cancer patients between 1997 and 2011 were recruited. To avoid surveillance bias, SPMs that developed within one year were excluded. Standardized incidence ratios (SIRs) of metachronous(More)
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