For this “On the Spot,” Gastroenterology & Endoscopy News owes a special debt to Prateek Sharma, MD, a professor of medicine at the University of Kansas Medical Center, who told us there were enough issues in the area of upper GI endoscopy (UGI) to warrant a feature—and we agree! Our questions focus on screening reflux patients for Barrett’s esophagus (BE), peroral endoscopic myotomy (POEM) for achalasia, advanced imaging for detection of UGI lesions, biopsies for