Fig. 3. Preoperative endoscopic ultrasound shows tumour with heterogenous echogenicity, cystic spaces and patches of calcification arising from the layer 4 of the oesophagus (black arrows).

Int J Gastrointest Interv 2021;10:142~145 https://doi.org/10.18528/ijgii200049

© Int J Gastrointest Interv