For initial stages, esophagectomy, and tumor resection are sufficient.

对于早期食管癌，食管切瘤切已足够。

For initial stages, when the cancer has invaded just the mucosa and submucosa, options include esophagectomy, endoscopic tumor resection, or mucosal ablation - which is when the cancerous mucosa is removed by radiofrequency.

早期瘤只膜膜下层，治疗选择包括食管切术、内镜下瘤切术或膜融术，即用射频融被瘤袭的膜。