Tao-Wei Ke is Director of the Hospital’s colonscopy examination unit as wekk as President of the Long-living Intestine Disease Alliance. He specializes in 1) Abdominal endoscope or Da Vinci Surgery System micro rectal procedure (traditional abdominal endoscope, singular lense abdominal endoscope, natural exit endoscope) : 2) Rectal Benign disease procedures (hemorrhoid, fistula, anal fissure, prolapse of rectum, anal strictum, hemorrhoid removal, hemorrhoid bipolar laser knife/ultrasonic slicer); 3) Painless colonscopy of benign and malignant diseases (polyposis, tumor etc.); 4) Irritable bowel syndrome (constipation, diarrhea); 5) Rectal Inflammation