Case Report
Copyright ©The Author(s) 2018.
World J Gastrointest Oncol. Mar 15, 2018; 10(3): 91-95
Published online Mar 15, 2018. doi: 10.4251/wjgo.v10.i3.91
Figure 2
Figure 2 Histological findings. Immunohistochemical staining revealed that cancer cells in cell block specimens obtained using the Trefle® device were focally positive for cytokeratin 7 (CK 7), and positive for CK 20 and caudal type homeobox 2 (CDX 2). These findings were consistent with those of rectal resection specimens.