About the Author

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TK Chattopadhyay is Professor Emeritus, Department of GI Surgery and Liver Transplantation, All India Institute of Medical Sciences, New Delhi. He initiated this series 22 years ago and has been the editor-in-chief of this series since its inception. Presently, he is Professor and Head, Department of HPB Surgery, Institute of Liver and Biliary Sciences, New Delhi.Peush Sahni is Professor and Head, Department of GI Surgery and Liver Transplantation, All India Institute of Medical Sciences, New Delhi. He has been editor of this series since the second volume of this series.Sujoy Pal is Additional Professor, Department of GI Surgery and Liver Transplantation, All India Institute of Medical Sciences, New Delhi. He has been editor of this series since 2005.