**Core Concept**
A choledochal cyst is a congenital anomaly of the bile duct, characterized by a cystic dilatation of the common bile duct or its branches. This condition is often associated with an abnormal connection between the bile duct and the pancreatic duct, leading to stasis and potential complications.

**Why the Correct Answer is Right**
The pathophysiology of choledochal cysts involves an abnormal development of the bile duct during embryogenesis. The cystic dilatation is thought to result from a failure of the bile duct to fully recanalize, leading to a persistent communication between the bile and pancreatic ducts. This abnormal connection can cause bile to flow into the pancreatic duct, leading to inflammation and potential complications.

**Why Each Wrong Option is Incorrect**
**Option A:** Choledochal cysts are not typically associated with a history of recurrent cholecystitis or gallstones. While gallstones can sometimes be found in the cyst, they are not a primary cause of the condition.

**Option B:** The primary treatment for choledochal cysts is surgical removal, not endoscopic retrograde cholangiopancreatography (ERCP). ERCP may be used to diagnose and treat complications, but it is not a definitive treatment.

**Option C:** Choledochal cysts are not typically associated with a familial history of the condition. While some cases may be familial, most are sporadic and not inherited.

**Option D:** The most common presentation of choledochal cysts is not abdominal pain, but rather an abdominal mass or jaundice. Abdominal pain can occur, but it is not the most common symptom.

**Clinical Pearl / High-Yield Fact**
Choledochal cysts are often diagnosed in children, with the majority presenting before the age of 10. They are a rare condition, but awareness of the symptoms and diagnosis is essential for prompt treatment and prevention of complications.

**Correct Answer: D. Jaundice.