What are the risks or discomforts of the study?
Endoscopy: Side effects are possible with endoscopic procedures. The most common possible side effects of an endoscopic procedure include sore throat or a reaction to the medications used to put you to sleep. Less common are complications that include bleeding, infection, and perforation of your esophagus, stomach, or intestine but are possible for any endoscopy. The risk of these complications is low (about 1 in 1000) when performed by an experienced physician. CT: Abdominal CT scan, exposes you to radiation exposure (0.545 rems). This is a low level and is not harmful. MRI: There are no known major risks with an MRI exam. Some people feel confined (claustrophobia) during the procedure. Contrast during MRI: The contrast agent is used routinely for MRI exams. The injection of contrast does not cause pain, but may cause discomfort, tingling or warmth in the lips, metallic taste in the mouth, tingling in the arm, nausea, or headache. These symptoms occur in less than 1% (less than 1 in 1