“…It must be remembered that the original location of the FB may be altered -it may travel along the esophagus, beyond its wall and into the surrounding tissues, which is especially true for FB with sharp edges. It is a complex process influenced by, among others diagnostic tests, act of swallowing, peristaltic movement of the lower esophagus, cough, neck movements, patient's physical activity and local inflammation [2,[10][11][12].…”