Revista ABCd (São Paulo). 14 Aug, 2025

Variables related to locoregional and distant recurrence in esophageal cancer

Sarah FONSECA
Igor Gabriel Silva RAMOS
Felipe Antonio Boff MAEGAWA
Pedro Luiz Serrano USON JUNIOR
Francisco TUSTUMI
DOI: https://doi.org/10.1590/0102-67202025000020e1889

Background:

Esophageal cancer remains one of the most aggressive malignancies of the gastrointestinal tract, with high rates of recurrence and mortality despite curative-intent surgery and adjuvant therapies. Identifying factors associated with recurrence is crucial for improving outcomes and guiding personalized treatment.

Aims:

The aim of this study was to evaluate pretreatment and treatment-related variables associated with recurrence in patients with esophageal cancer undergoing surgical resection.

Methods:

This retrospective study analyzed data from patients with stage I–III esophageal carcinoma who underwent esophagectomy between 2000 and 2025, using the Fundação Oncocentro de São Paulo (FOSP) database. Clinical, histological, and treatment-related variables were evaluated. Disease-free survival and recurrence patterns were assessed using Cox proportional hazards models and Fine–Gray subdistribution hazard models.

Results:

A total of 2,057 patients were included, with a mean follow-up of 36.5 months (±44.8). In the multivariate analysis, advanced tumor stage (stage II: HR 1.68, 95%CI 1.21–2.33; stage III: HR 3.23, 95%CI 2.29–4.56; both p<0.01), location (middle esophagus: HR 1.31, 95%CI 1.11–1.54; p=0.001; upper esophagus: HR 1.54, 95%CI 1.21–1.96; p<0.001), and histological subtype (rare histologies: HR 2.17, 95%CI 1.35–3.49; p=0.001) were associated with worse disease-free survival. Multimodal therapy improved disease-free survival (HR 0.40, 95%CI 0.24–0.66) in stage III tumors. Squamous cell carcinoma was independently associated with locoregional recurrence (SHR 1.52, 95%CI 1.05–2.20; p=0.027). For distant recurrence, squamous cell carcinoma showed a protective effect (SHR 0.52, 95%CI 0.31–0.88; p=0.015), while high tumor grade (grade II: SHR 3.65, 95%CI 1.98–6.72; p<0.001) was associated with an increased risk. Multimodal treatments influenced recurrence patterns but did not independently predict outcomes after adjustment.

Conclusions:

Tumor stage, location, and histology were strong predictors of disease-free survival after surgery for esophageal cancer. Histological subtypes significantly influenced recurrence patterns. Squamous cell carcinoma was associated with a higher risk of locoregional recurrence but a lower risk of distant metastasis compared to adenocarcinoma. Multimodal therapy demonstrated a protective effect in stage III disease.


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