OCT Pilot in Esophagus

Inclusion Criteria

• •1. Presenting to University of North Carolina (UNC) for routine care upper endoscopy
• •2. Meet one of the following criteria:
• •1. Presenting to UNC for upper endoscopy of GI conditions without esophageal symptomology for with no history of gastroesophageal reflux disease (GERD) or other esophageal condition affecting the epithelium (asymptomatic controls), OR,
• •2. History of dysplastic or non-dysplastic Barrett's Esophagus with prague criteria C1+ or M3+
• •3. Aged 18 to 80
• •4. Able to read, comprehend, and understand the informed consent document.