Surgery Versus Non-surgical Treatment for Esophageal Squamous Cell Carcinoma in Patients Older Than 70 Years
Conditions:   Esophageal Squamous Cell Carcinoma;   Esophagectomy;   Radiotherapy;   Chemotherapy Intervention:   Diagnostic Test: Since the data were collected retrospectively, there were no interventions Sponsor:   Yongtao Han Completed (Source: ClinicalTrials.gov)
Source: ClinicalTrials.gov - November 3, 2022 Category: Research Source Type: clinical trials