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Examples of three swallowable devices for diagnosing Barrett’s esophagus. (A) JASSS Balloon (image courtesy of Dr. Amitabh Chak). (B) Cytosponge (reprinted with permission from BioMed Central, originally published by Offman et al., BMC Cancer 2018;18:784). (C) EsophaCap (image courtesy of CapNostics, LLC).
