Which of the following is false about mucocele of gallbladder?

Mucocele (Hydrops) Hydrops or mucocele result from prolonged obstruction of the cystic duct, usually by a large solitary calculus. Clinical Features A visible, easily palpable, nontender gallbladder sometimes extending from the RUQ into the right iliac fossa may be found on physical examination. Treatment Early cholecystectomyQ, because empyema, perforation, or gangrene may complicate the condition.