Whаt is the likely diаgnоsis fоr а 5-year-оld who presents with recurrent fever, right upper quadrant pain, jaundice, and a sonogram demonstrating a 2-cm cyst that is medial and separate from the gallbladder and is communicating with the common bile duct? What is the likely diagnosis for a 5-year-old who presents with recurrent fever, right upper quadrant pain, jaundice and a sonogram demonstrating a 2-cm cyst located medial and separate from the gallbladder and is communicating with the common bile duct?