Magnetic Resonance Cholangio-Pancreatography may miss Choledocholithiasis in Gallstone Pancreatitis Short Title: MRCP in Gallstone Pancreatitis Dr Sanket Srinivasa 1 MBChB Dr Tarik Sammour 1 MBChB Dr Bernard McEntee 2 MBChB Dr Nicola Davis 2 MBChB Associate Professor Andrew G. Hill 1 MD FRACS 1 South Auckland Clinical School, Department of Surgery, University of Auckland. 2 Department of Surgery, Middlemore Hospital. Associate Professor Andrew G. Hill is not the recipient of a research scholarship. Corresponding Author: Assoc. Prof. Andrew G. Hill South Auckland Clinical School PO Box 93311 Otahuhu, Auckland 1004 New Zealand Ph: +64 9 2760044 ahill@middlemore.co.nz (1342 words, 2 tables)