“结直肠癌”在“年轻人”中发病率上升了吗？
是的，但情况复杂。近年来，50岁以下人群的结直肠癌发病率确实在上升，这一趋势引起广泛关注。然而，文章指出需要谨慎解读数据：绝对风险仍然较低，部分增长可能与早期筛查手段的改进有关，且不同地区和人群之间存在显著差异。因此，“上升”是事实，但不应引发过度恐慌，而应关注科学的风险评估和预防措施。
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