Jack felt very depressed when the result of his GBS was interpreted by his doctor. About four weeks ago, he noticed that anytime he eats, he usually feel a very sharp pain in his GI track together with IBS. The full forms of the abbreviations used in the sentences above are as follows: GBS; Gall Bladder Series [X ray studies] GI: GastroIntestinal IBS: Irritable Bowel Syndrome.
