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Continue to ChatUlcer in the basis of Zenker's diverticulum mimicking esophageal malignancy. - https://avesis.cumhuriyet.edu.tr/publication/details/3619e691-88e0-4786-a940-c1988bbf5b1c/ulcer-in-the-basis-of-zenkers-diverticulum-mimicking-esophageal-malignancy