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Figure 1: (a) Computed tomography showing a large mass compressing oesophagus; (b) Endoscopic ultrasonography showing a well-defined hypoechoic mass in the muscularis propria layer; (c) Endoscopic finding showing the normal mucosa; (d) Intraoperative photograph showing a tumour adjacent to the upper oesophagus

Figure 1: (a) Computed tomography showing a large mass compressing oesophagus; (b) Endoscopic ultrasonography showing a well-defined hypoechoic mass in the muscularis propria layer; (c) Endoscopic finding showing the normal mucosa; (d) Intraoperative photograph showing a tumour adjacent to the upper oesophagus