Figure 2.

Endoscopic and microscopic observations of the lesion. A: the tumor observed in the ascending colon by colonoscopy, B: a close-up narrow-band imaging of the tumor, C: endoscopic submucosal dissection of the tumor, D: the site immediately after tumor removal, E: the biopsy specimen with hematoxylin–eosin staining, F: sections of the removed tumor with hematoxylin–eosin staining, G: the dissection scar, 6 months later, with indigo carmine dye, and H: a close-up view of the dissection scar.

Yatabe et al. Diagnostic Pathology 2013 8:203   doi:10.1186/1746-1596-8-203
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