Fig. 3From: Simultaneous resection of a neuroendocrine tumor in an incidental Meckel’s diverticulum with transabdominal preperitoneal hernial repair: a case reportPathological findings. The tumor (red square) exists in the submucosal layer of Meckel’s diverticulum. a Photomicrograph showing a solid tumor. b Photomicrograph showing the tumor in the submucosal layer is positive for INSM1. c Photomicrograph showing Ki-67-positive cells account for < 1% of all cellsBack to article page