D Venkateswarlu1, B Chandra Sekhar2, Ch Jaya Kishore3, BT Rao41Department of Gastroenterology,Vijaya Sree Hospitals Gastro and Liver Care Centre, Ongole, Andhra Pradesh, India.
2Department of Surgical Gastroenterology, Sunrise Hospitals, Vijayawada, Andhra Pradesh, India.
3Radiologist, Sai Vijaya Diagnostic Centre, Ongole,
Andhra Pradesh, India.
4Department of Community Medicine, Rajiv Gandhi Institute of Medical Sciences, Ongole, Andhra Pradesh, India.