U.S., Oct. 20 -- ClinicalTrials.gov registry received information related to the study (NCT07879898) titled 'Radiotherapy Target Volume in Locally Advanced Esophageal Squamous Cell Carcinoma in the Immunotherapy Era' on Sept. 29.
Brief Summary: This retrospective real-world cohort study will evaluate the efficacy and safety of different radiotherapy target volume extents in patients with locally advanced esophageal squamous cell carcinoma.
Patients who previously received definitive or preoperative radiotherapy, with systemic treatment consisting of concurrent chemoradiotherapy with or without immunotherapy, will be identified from existing medical records. The study will not assign or modify any treatment.
Patients will be classified ac...