Fig. 4. Histologic features of the endoscopically resected specimen. (A) Endoscopically resected specimen showing collagenous fibers on the submucosa. Typical hypertrophy is not seen (H&E stain, ×20). (B) Myxoid degeneration (arrow) with unusual edema is seen (H&E stain, ×100).

Int J Gastrointest Interv 2023;12:159~161 https://doi.org/10.18528/ijgii230028

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