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||Comparison of endoscopic therapies and surgical resection in patients with early esophageal cancer: a population-based study.
||Wani S, Drahos J, Cook MB, Rastogi A, Bansal A, Yen R, Sharma P, Das A
||BACKGROUND: Outcome data comparing endoscopic eradication therapy (EET) and esophagectomy are limited in patients with early esophageal cancer (EC). OBJECTIVE: To compare overall survival and EC-related mortality in patients with early EC treated with EET and esophagectomy. DESIGN AND SETTING: Population-based study. PATIENTS: Patients with early EC (stages T0 and T1) were identified from the Surveillance, Epidemiology, and End Results database (1998-2009). Demographics, tumor specific data, and survival were compared. Cox proportional hazards regression models were used to evaluate the association between treatment and EC-specific mortality. INTERVENTION: EET and esophagectomy. MAIN OUTCOME MEASUREMENTS: Mid- (2 years) and long- (5 years) term overall survival and EC-specific mortality, outcomes based on histology and stage, treatment patterns, and predictors of cancer-specific mortality. RESULTS: A total of 430 (21%) and 1586 (79%) patients underwent EET and esophagectomy, respectively. There was no difference in the 2-year (EET: 10.5% vs esophagectomy: 12.7%, P = .27).and 5-year (EET: 36.7% vs esophagectomy: 42.8%, P = .16) EC-related mortality rates between the 2 groups. EET patients had higher mortality rates attributed to non-EC causes (5 years: 46.6% vs 20.6%, P < .001). Similar results were noted when comparisons were limited to patients with stage T0 and T1a disease and esophageal adenocarcinoma. There was no difference in EC-specific mortality in the EET compared with the surgery group (hazard ratio 1.4; 95% confidence interval, 0.9-2.03). Variables associated with mortality were older age, year of diagnosis, radiation therapy, higher stage, and esophageal squamous cell carcinoma. LIMITATIONS: Comorbidities and recurrence rates were not available. CONCLUSIONS: This population-based study demonstrates comparable mid- and long-term EC-related mortality in patients with early EC undergoing EET and surgical resection.