Figure 3.

The second colonoscopy was performed approximately one week after the first colonoscopy in our hospital. a. The only observed lesion is a reddish mucosa with an ulcer probably caused by the previous biopsy. Demarcation of the lesion is unclear. b-d Endoscopic submucosal resection with a ligation device (ESMR-L) is performed with simultaneous en-bloc resection. Five clips are placed to obtain complete closure.

Nakamura et al. BMC Gastroenterology 2013 13:146   doi:10.1186/1471-230X-13-146
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