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背景:预期寿命短的老年人从结直肠癌筛查中的受益少于健康年轻人。目的:明确早期诊断结直肠癌患者预期寿命与年龄和共存疾病的关系。
Background: Elderly people with short life expectancy benefit less from colorectal cancer screening than healthy young adults. OBJECTIVE: To clarify the relationship between life expectancy and coexisting disease in early diagnosis of colorectal cancer.