Endoscopic submucosal dissection in the treatment of adult cystic lymphangioma: A case report

Figure 3 The resection process and reexamination results of the lesion. A-C: After the periphery of the lesion was marked with a dual knife, the edge was cut along the lateral side of the marker. The submucosal tissue was dissected and the lesion was completely dissected; D: No recurrence was observed during colonoscopy re-examination after 1 year.