Final answer:
The most appropriate next step in the management of this patient would be Cholecystectomy, which is the surgical removal of the gallbladder.
Step-by-step explanation:
The most appropriate next step in the management of this patient would be Cholecystectomy, which is the surgical removal of the gallbladder. The patient has gallstones within the gallbladder and although she has never experienced any pain, the presence of gallstones increases the risk of complications such as cholecystitis, gallbladder infection, or obstruction of the bile duct. Cholecystectomy is the preferred treatment to prevent these complications.