Doctors may perform an upper gastrointestinal endoscopy to diagnose and help treat stomach ulcers. During the procedure, a healthcare professional inserts an endoscope through the mouth and into the ...

Endoscopy is the insertion of a long, thin tube directly into the body to observe an internal organ — such as the gastrointestinal tract — in detail. Doctors can also use it in imaging, surgery, and ...

Flexible laryngoscopy reveals some unique aspects of swallowing and complements the fluoroscopy procedure. The fiberoptic endoscopic evaluation of swallowing (FEES) procedure is a comprehensive ...