Improve the Treatment of Thoracic Esophageal Cancer

Condition:   Thoracic Esophageal Squamous Cell Carcinoma
Interventions:   Drug: adjuvant chemotherapy;   Procedure: standard two field Lymphadenectomy;   Procedure: Total two field Lymphadenectomy;   Procedure: three field Lymphadenectomy
Sponsor:   Sun Yat-sen University
Recruiting - verified May 2017

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