# The Impact of Two-field or Three-field Lymphadenectomy on Overall Survival in Middle and Lower Thoracic Esophageal Squamous Cell Carcinoma: An Observational Study

> **NCT05617352** · — · COMPLETED · sponsor: **Yongtao Han** · enrollment: 1659 (actual)

## Conditions studied

- Esophageal Cancer

## Interventions

- **DIAGNOSTIC_TEST:** Since the data were collected retrospectively, there were no interventions

## Key facts

- **NCT ID:** NCT05617352
- **Lead sponsor:** Yongtao Han
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-05-01
- **Primary completion:** 2022-10-01
- **Final completion:** 2022-10-10
- **Target enrollment:** 1659 (ACTUAL)
- **Last updated:** 2022-11-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05617352

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05617352, "The Impact of Two-field or Three-field Lymphadenectomy on Overall Survival in Middle and Lower Thoracic Esophageal Squamous Cell Carcinoma: An Observational Study". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT05617352. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*