Case Report
Copyright ©The Author(s) 2019.
World J Clin Cases. Jul 26, 2019; 7(14): 1884-1891
Published online Jul 26, 2019. doi: 10.12998/wjcc.v7.i14.1884
Figure 2
Figure 2 Transanal endoscopic ultrasound revealing a non-homogeneous echo-poor area 6 cm away from the sacral coccyx and in the direction of the sacrum and hyperechoic periosteum with clear membrane. No abundant internal blood flow was observed.