Choledocholithiasis is a medical condition characterized by the presence of gallstones in the common bile duct. These stones can form in the gallbladder and migrate into the bile duct, leading to blockages that can disrupt the flow of bile from the liver to the intestine. Symptoms of choledocholithiasis may include abdominal pain, jaundice, and dark urine. Diagnosis typically involves imaging tests such as ultrasound or MRI. Treatment options often include endoscopic procedures to remove the stones or surgery if complications arise.