system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Initial investigation done for Suspected Gallbladder stones
assistant
The correct answer is  Ans. (a) USGRef: Bailey and Love 27th edition Page 1191* For Biliary Pathology Initial Imaging Modality of Choice is USG as it is easily available and inexpensive and Quick to perform, However it is operator dependent.