尽管癌症总体下降, 但50岁以下的结肠直肠癌死亡人数仍在增加, Colorectal cancer deaths rising among under-50s despite overall cancer drop, prompting calls for earlier screening.

1990年以来,由于筛查和治疗的改善,50岁以下美国人的癌症死亡率下降了44%,但直肠癌现在导致这一年龄组的死亡率上升,自2005年以来死亡率上升。 Cancer deaths among Americans under 50 have dropped 44% since 1990 due to better screening and treatments, but colorectal cancer now leads in mortality for this age group, with rising death rates since 2005. 专家认为,病例增加、诊断延误、以及肥胖和饮食不良等可能存在的生活方式因素是造成病例增加的原因。 Experts attribute the increase to rising cases, delayed diagnosis, and possible lifestyle factors like obesity and poor diet. 他们强调要在45岁开始进行结肠直肠查, 寻求治疗便血或腹痛等症状, 以更早地发现疾病. They stress starting colorectal screening at age 45 and seeking care for symptoms like blood in stool or abdominal pain to catch the disease earlier.