Make the entrance wider and the depth deeper: Referring to Huang L et al. p. 4–11.

An additional AI system to assess the difficulty of biliary cannulation is needed and, for scheduling purposes, preoperative diagnosis by a diagnostic imaging modality such as magnetic resonance cholangiopancreatography and computed tomography would be helpful. Endoscopic treatment for bile duct stones is evolving, and almost all bile duct stones can be removed endoscopically. Urinary tract stones can be detected and their composition analyzed using AI [6], but AI is not yet used to evaluate biliary tract stones. [Extracted from the article]