An Observational Study to Evaluate Lymph Metastases and Prognoses of the Patients With Esophageal Cancer

A Real-world Observational Study to Evaluate Lymph Metastases and Prognoses of the Chinese Patients With Thoracic T1-T3 Esophageal Cancer

The real-world observational study was designed to explore lymph metastases and prognoses of the Chinese patients with thoracic T1-T3 esophageal cancer

This trial is a real-world non-interventional observational study. The Chinese patients with thoracic T1-T3 esophageal cancer enrolled from Jan.1999 to Jun.2017 were included and the study data on pathologically diagnosed patient demographic/tumor biological characteristics were collected to evaluate the relevance of lymph metastases and prognoses of the subjects.

Inclusion Criteria:

• Patients >= 18 years old;
• Patients who received radical resection of esophageal cancer;
• Pathologically diagnosed patients with thoracic T1-T3 esophageal cancer after surgeries;

Exclusion Criteria:

• Patients who received upper gastrointestinal surgeries;
• Patients with second primary tumors;