A Retrospective Clinical Study Exploring Prognostic Factors in Esophageal Cancer Patients

A Retrospective Clinical Study Exploring Prognostic Factors in Esophageal Cancer Patients

This single-center, retrospective, 7-year observational study aims to investigate prognostic factors in esophageal cancer patients. Adults (≥18 years) with histologically confirmed esophageal cancer who received antitumor therapy between January 2017 and December 2024 were consecutively enrolled. Patient-level data (clinical characteristics, routine laboratory tests, tumor information, and treatment details) were retrospectively collected from electronic medical records to analyze key factors influencing treatment efficacy.

Inclusion Criteria:

1. Waiver of informed consent for deceased or lost-to-follow-up patients (January 2017-March 2024)
2. Voluntary signed informed consent from surviving patients who could be contacted
3. Treatment at Nanfang Hospital, Southern Medical University (January 2017-December 2024)
4. Received antitumor therapy for esophageal cancer
5. Eastern Cooperative Oncology Group (ECOG) performance status score of 0-2

Exclusion Criteria:

1. Concurrent other malignancies
2. Patients deemed ineligible by investigators