Accurate polyp size estimation is necessary for appropriate management of colorectal polyps. Polyp size is often determined by subjective visual estimation in clinical situations; however, it is inaccurate, especially for beginner endoscopists. We aimed to clarify the usefulness of our short training video, available on the Internet, for accurate polyp size estimation.

中文翻译：

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提高结直肠息肉大小估计准确性的简短教育视频：多中心前瞻性研究

准确的息肉大小估计对于大肠息肉的适当管理是必要的。息肉大小通常由临床情况下的主观视觉估计确定；然而，它是不准确的，特别是对于初学者内窥镜医师。我们旨在阐明我们在互联网上提供的简短培训视频对于准确估计息肉大小的有用性。