Case Report
Copyright ©The Author(s) 2016.
World J Gastroenterol. Mar 28, 2016; 22(12): 3502-3505
Published online Mar 28, 2016. doi: 10.3748/wjg.v22.i12.3502
Figure 2
Figure 2 Resected specimen showed a 5-6 cm tumor. The oral side lumen was 1.5-fold bigger lumen than the anal side.