为什么要做纤维乙状结肠镜检查?
完成结肠镜所需的额外时间和结肠镜检查相对于软式乙状结肠镜检查的额外费用在这种情况下仍需要评价。
The additional time required to complete the colonoscopy and the additional costs of a colonoscopy versus flexible sigmoidoscopy in such circumstances require evaluation.
尽管只有2.7%的病人等待这么长时间，这些病人中有8.6%是等待结肠镜检查，8%是等待乙状结肠镜检查以及其他癌症诊断检查。
While only 2.7% of patients wait this long, the figure is 8.6% for those awaiting a colonoscopy and 8% for flexible sigmoidoscopy, another test for cancer.
同样，等待6周以上接受乙状结肠镜检查的病人数量由87猛增至1199，在同时期内等待心脏超声检查的病人数量由574增加到了2034。
Similarly, the number waiting past six weeks for flexible sigmoidoscopy has jumped from 87 to 1,199, and those waiting for echocardiography from 574 to 2,034 over the same period.
毕竟，反对者会认为，软式乙状结肠镜无法检查右半结肠，而近三分之一的肿瘤发生在此部位。
After all, opponents will argue that flexible sigmoidoscopy is unable to examine the right colon, where nearly a third of the cancers arise.
比较以软式乙状结肠镜与粪便潜血检查进行筛检或不筛检的随机对照试验。
Randomised controlled trials comparing screening with flexible sigmoidoscopy or faecal occult blood testing to each other or to no screening.
比较以软式乙状结肠镜与粪便潜血检查进行筛检或不筛检的随机对照试验。
Randomised controlled trials comparing screening with flexible sigmoidoscopy or faecal occult blood testing to each other or to no screening.
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