The primary objective of this study is to document all cases of EUS in patients with esophageal cancer and determine if the inability to advance the gastroscope beyond the tumor correlates with locally advanced disease stage at Endoscopic Ultrasound.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Evaluate the relationship between tightness of esophageal stricture encountered at endoscopy with cancer staging at EUS.
Timeframe: Intraoperative