Ashwitha Ravi1, Hemanth Kumar1, Jayanta Samanta2, Anand Kumar Mishra3, Vivek Chauhan4
1Department of General Surgery, 2Department of Gastroenterology and 3Department of CTVS Postgraduate Institute of Medical Education and Research, Chandigarh, India. 4Department of Surgical gastroenterology, GB Pant Institute of PG Medical Education and Research, New Delhi, India.