case_images: PMC6477480_01
case_images: The gross specimen displays an endophytic, ulcerating mass involving the terminal ileum, ileocecal valve, and cecum.
case_images: crg-0013-0085-g01.jpg
case_images: PMC6477480_01_crg-0013-0085-g01.jpg
case_images: F1
case_images: On visualization of the proximal cecum and terminal ileum, an ulcerating, partially obstructing, mass-like process was identified (Fig. 1).
case_images: a Gross pathology of the resected bowel. The asterisk shows the endophytic mass at the distal ileum. b Tumor cells demonstrate signet-ring cell morphology with eccentrically displaced nuclei and abundant vacuolated cytoplasm. HE. x200.
case_images: crg-0013-0085-g02.jpg
case_images: PMC6477480_01_crg-0013-0085-g02.jpg
case_images: F2
case_images: The patient subsequently underwent laparoscopic-assisted right hemicolectomy with ileostomy, with the excised sample sent for gross pathology (Fig. 2a). Final pathological diagnosis was poorly-differentiated signet-ring cell adenocarcinoma (T4aN1) of the terminal ileum, ileocecal valve, and cecum (Fig. 2b).