Background: The increasing number of young colorectal cancer (CRC) survivors has led to ongoing concerns about the risk of secondary primary malignancies (SPMs). Here, we intended to comprehensively explore the pooled standardized incidence rates (SIRs) for total and site-specific SPMs in CRC survivors with different restriction to lag period.

中文翻译：

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结直肠癌患者发生第二原发恶性肿瘤的风险

背景：越来越多的年轻结直肠癌 (CRC) 幸存者导致了对继发性原发性恶性肿瘤 (SPM) 风险的持续关注。在这里，我们打算全面探讨对延迟期有不同限制的 CRC 幸存者中总 SPM 和特定部位 SPM 的合并标准化发生率 (SIR)。