Fig. 2From: Rectal neuroendocrine tumor developing lateral lymph node metastasis after curative resection: a case reportHistopathological findings of the resected specimen (primary tumor). a, b HE staining showed the tumor cells spreading in a rosette-like pattern. c, d Immunohistochemical staining for Ki-67 (labeling index = 3%) (a, c original magnification × 100; b, d original magnification × 400)Back to article page