“…The causes of migration are not understood, it has been hypothesized relationship with the technique used -inadequate approximation of right diaphragmatic pillar, insufficient mobilization of the gastric fundus, the failure to make use of suture, occurrence of "bucking" at the time of extubation or risk factors exist in the patient, such as previous disease complications (severe esophagitis or/and periesophagitis), size of hiatal hernia, "short esophagus"; technical problem on surgical procedures 20,23,25 .…”