Details.
Examines the linings and walls of the upper and lower gastrointestinal tract using an endoscope with a built-in miniature ultrasound probe. Provides detailed images to help diagnose conditions causing abdominal pain or abnormal weight loss, evaluate lumps or lesions, diagnose diseases of the pancreas, bile duct and gallbladder, assess the spread of certain digestive system cancers, and obtain a needle biopsy in some patients.