Ragesh Babu Thanassery1, Saroj Kant Sinha1, Thakur Deen Yadav2, Anil D Galle1, Kim Vaiphei3, Kartar Singh1
Departments of Gastroenterology1, General Surgery2 and
Histopathology3, Postgraduate Institute of Medical Education and
Research. Chandigarh- 160012, India.