Fig. 1

Preoperative images. a Esophagography showing the stenosed lesion in the upper thoracic esophagus (arrowheads). b PET-CT showing the accumulation of FDG at the lesion
Preoperative images. a Esophagography showing the stenosed lesion in the upper thoracic esophagus (arrowheads). b PET-CT showing the accumulation of FDG at the lesion