Rajni Yadav1, Saumyaranjan Mallick1, Nihar Ranjan Dash2, Kumble S Madhusudan3, Prasenjit Das1, Siddhartha Datta Gupta1
Department of 1Pathology, 2Gastrointestinal Surgery and 3Radiology, All India Institute of Medical Sciences, Ansari Nagar, New Delhi, India.