结论：老年结直肠癌发病具有隐匿性，应对可疑病例进行详尽检查，提高老年结直肠癌的早期诊断率。

Conclusion: Because of occult onset, elaborative examination is essential for suspicious cases to elevate the early diagnostic rate of colorectal cancer in the elder.

youdao

经过详尽的检查，确信其真实性没有问题。

We checked in detail and convinced ourselves there was no problem.

youdao

安保检查详尽繁复，不过这漫长等待一定非常值得。

The security checks are elaborate, but the wait is well worth it.

youdao