Subgroup analyses by lesion size and location
abdominal esophagus, thoracic esophagus, upper thoracic esophagus
Table 
Subgroup analyses by lesion size and locationAe, abdominal esophagus; AI, artificial intelligence; Ce, cervical esophagus; Lt, lower thoracic esophagus; Mt, middle thoracic esophagus; Ut, upper thoracic esophagus