Tumor location in the upper esophagus showed a trend toward increased stricture risk compared with the lower esophagus (OR 4.889, 95% CI 0.846–28.236; p =0.076), although this did not reach statistical significance.
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Risk Factors and Prophylaxis for Post-Procedural Stricture After Esophageal Endoscopic Submucosal Dissection.
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0.0760
0.0760