Gastritis - Diagnosis and treatment - Mayo Clinic An endoscopy is a procedure used to visually examine your upper digestive system During an endoscopy your doctor gently inserts a long, flexible tube, or endoscope, into your mouth, down your throat and into your esophagus
Stomach cancer - Symptoms and causes - Mayo Clinic Stomach cancer, which is also called gastric cancer, is a growth of cells that starts in the stomach The stomach is in the upper middle part of the belly, just below the ribs The stomach helps to break down and digest food
Peptic ulcer - Symptoms and causes - Mayo Clinic Gastric ulcers, which appear on the inside of the stomach Duodenal ulcers , which appear on the inside of the upper part of the small intestine, called the duodenum The most common causes of peptic ulcers are infection with the germ Helicobacter pylori (H pylori) and long-term use of nonsteroidal anti-inflammatory drugs (NSAIDs)
Gastric bypass (Roux-en-Y) - Mayo Clinic Gastric bypass, also called Roux-en-Y (roo-en-wy) gastric bypass, is a type of weight-loss surgery that involves creating a small pouch from the stomach and connecting the newly created pouch directly to the small intestine After gastric bypass, swallowed food will go into this small pouch of
Stomach cancer - Diagnosis and treatment - Mayo Clinic Examples include hereditary diffuse gastric cancer, Lynch syndrome, juvenile polyposis syndrome, Peutz-Jeghers syndrome and familial adenomatous polyposis In other parts of the world where stomach cancer is much more common, tests to detect stomach cancer are used more widely
Roux-en-Y Gastric Bypass - Mayo Clinic In a Roux-en-Y gastric bypass, the surgeon creates a small pouch at the top of the stomach The pouch is the only part of the stomach that receives food This greatly limits the amount that you can comfortably eat and drink at one time
Upper endoscopy - Mayo Clinic Risks An endoscopy is a very safe procedure Rare complications include: Bleeding Your risk of bleeding complications after an endoscopy is increased if the procedure involves removing a piece of tissue for testing (biopsy) or treating a digestive system problem
Gastrointestinal stromal tumor (GIST) - Symptoms and causes A gastrointestinal stromal tumor, also called a GIST, is a type of cancer that begins in the digestive system GISTs happen most often in the stomach and small intestine A GIST is a growth of cells that's thought to form from nerve cells in the walls of the digestive organs The nerve cells play a