这就涉及到了直肠癌的症状(Symptoms of rectal cancer)，直肠癌早期没有什么特殊的症状和体征，一般就是排便习惯的改变等，正是因为这些不明显的症状才会导致患者到医院检查时已经到了...
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ASGE筛查指南推荐，刚年满50岁、有发生结直肠癌一般风险的无症状性男性和女性，应该开始结直肠癌筛查。
ASGE screening guidelines recommend that, beginning at age 50, asymptomatic men and women at average risk for developing colorectal cancer should begin colorectal cancer screening.
结直肠癌的死亡率已经在下降，部分因为早期筛查，觉察症状，切除息肉和因研究进步而改良了治疗方法。
The mortality rates have been declining, this in part due to earlier screenings, awareness of symptoms, removing polyps and improved treatments through advances in research discoveries.
背景：本研究的主要目的是调查直肠癌无病生存患者的健康相关生存质量(HRQOL)。HRQOL包括症状及功能的表现。
Background: The main objective of this study was to investigate health-related quality of life (HRQOL) in terms of symptoms and functional outcomes in disease-free survivors of rectal cancer.
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