Procedures Preformed by Dr. Estephan N. Zayat, MD

• Arthrodesis Surgery
• Biliary Drainage
• Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
• Endoscopy (Esophagus, Stomach, Small Intestine)
• ERCP (Endoscopic Retrograde Cholangiopancreatography)
• Gastroscopy
• Liver Biopsy
• Manometry