Recent studies have shown the usefulness of endoscopic removal of early tumors of the esophagus or stomach. Other techniques combining medications and lasers also show promise. Precautions Patients should inquire as to the doctor's expertise with these procedures, especially when therapy is the main goal. The doctor should be informed of any allergies , medication use, and medical problems. The endoscopist then has the patient swallow the scope, which is passed through the upper gastrointestinal tract.
Air is pumped in through the instrument to allow proper observation.
Biopsies and other procedures can be performed without any significant discomfort. Patients need to inquire about taking their medications before the procedure. Pain or any other unusual symptoms should be reported immediately. It is important to recognize early signs of any possible complication. The doctor should be notified if the patient has fever , trouble swallowing, or increasing throat, chest, or abdominal pain.