Upper Endoscopy (Gastroenterology)
Body Area: Abdomen
Body Parts: Intestines
Symptoms: Bloody Stool
An upper endoscopy is a test that inspects the esophagus and stomach using an endoscope. This test lets the doctor take biopsy tissue samples in order to explore the cause of symptoms and diagnose irritation, ulcers and cancer of the lining of the esophagus and stomach.