[Clinical study of the characteristics of lymph node metastasis in thoracic esophageal cancer].

Objective: To explore the characteristics of lymph node metastasis in thoracic esophageal cancer in order to provide evidence for the extent of lymph node dissection and the operation access.

Methods: A retrospective study was performed on the specimens of 72 patients who underwent radical operation of right transthoracic approach and the features of lymph node metastasis were explored.

Results: Lymph node metastases were found in 48 of 72 patients (66.