Curative ESD for intraepithelial esophageal carcinoma with leiomyoma mimicking submucosal invasive carcinoma

Figure 6 Resected specimen. A: Macroscopic examination reveals a shallow depression, 34 mm × 26 mm in size in the center of the specimen, with a hard nodule, 5 mm in size, at the proximal edge of the depression; B: Histological examination reveals an intraepithelial esophageal carcinoma overlying a leiomyoma originating from the muscularis mucosae.