Fig. 2

Histological findings of the operative specimens of the mass in the left thigh. a Multilocular cysts were revealed; hematoxylin and eosin staining, magnification × 40. b Multilocular cysts were lined by an almost double layer of cuboidal epithelium. Cells of the inner layer had abundant eosinophilic cytoplasm and apocrine snouts on the surface; hematoxylin and eosin staining, magnification × 200. c Carcinoembryonic antigen immunostaining was positive in the cytoplasm of luminal cells; magnification × 400