text: In Helicobacter pylori infection which is the most common cause of<unk> , a non-invasive test such as the urea breath test is used to determine the presence of H. pylori in the stomach.
option_0: Gastritis other diagnostic studies
option_1: Esophagitis other diagnostic studies
option_2: Odynophagia other diagnostic studies
option_3: Meckel's diverticulum other diagnostic studies
option_4: Plummer-Vinson syndrome other diagnostic studies
option_5: Eosinophilic esophagitis other diagnostic studies
option_6: Dyspepsia other imaging findings
option_7: Peptic ulcer other diagnostic studies