Although this entity does not usually affect an individual's longevity, the patient's clinical picture is different than that of other people. Consequently when the condition has not already been diagnosed, an endoscopist or surgeon is likely to be surprised.
La incidencia varía de 0,002 a 1%; por lo general, esta entidad no afecta la longevidad del individuo pero la clínica del paciente es diferente y de no contar con un diagnóstico previo puede sorprender al endoscopista o cirujano.