Mapping of Lymph Node Metastasis and Survival For pN+ Superficial Esophageal Squamous Cell Carcinoma

Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College

With the deeper tumor invasion, the higher LNM rate beside the bilateral recurrent laryngeal nerves(RLN) was.

Inclusion Criteria:

• Our predefined search strategy identified pT1N+ ESCC cases without preoperative treatment, between February 2012 and April 2022.

Exclusion Criteria:

• The patients were excluded because they were (1)less than 10 lymph nodes removed; (2) lacked specific sites of LNM; or (3) incomplete follow-up information.