Figure 4: Image showing: (a) (magnetic resonance imaging abdomen T2 sequence – axial view): calculus at the level of the ampulla (yellow arrow) seen as a hypointense filling defect, (b) magnetic resonance cholangiopancreatography (coronal view) showing nondilated common bile duct (yellow arrow) and low medial insertion of the cystic duct (red arrow), (c) magnetic resonance cholangiopancreatography (coronal view) having common bile duct (yellow arrow), cystic duct (red arrow), and dilated main pancreatic duct (green arrow), and (d) contrast-enhanced computed tomography abdomen (coronal view) showing the stent in the common bile duct (yellow arrow) and stent in the main pancreatic duct (red arrow)