Fig. 3From: Low-grade appendiceal mucinous neoplasm and endometriosis of the appendix a Appendiceal mass biopsy at low power (×40 magnification) and b high power (×200 magnification) of the low-grade appendiceal mucinous neoplasm, exhibiting crowded columnar epithelial cells with elongated, hyper-chromatic nuclei and excessive apical mucin (hematoxylin and eosin stain). There is no evidence of invasion into the submucosaBack to article page