Chromoendoscopy using the non-extension sign as a marker is comparable to endoscopic ultrasonography in terms of diagnostic performance for evaluating the invasion depth of early colorectal cancer
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资源简介：
Primary outcome(s): To compare diagnostic performance (sensitivity, specificity, and accuracy) for evaluating the invasion depth of T1b cancer between CE using the NES as a marker and EUS.
创建时间：
2020-11-15
