Successful endoscopic submucosal dissection of colon cancer with severe fibrosis after tattooing

Endoscopic tattooing is often used to facilitate the identification of colorectal lesions before endoscopic treatments. However, tattooing under the lesion can result in technical difficulties because of the dark endoscopic field and submucosal fibrosis. A 65-year-old man with a non-granular-type la...

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