This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal Radiology, Subject name: Radiology
[{'content': 'Which of the signs is associated with CHPS? \nSelect and explain. \nA. Target sign, B. Antral nipple sign, C. Cervix sign, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Target Sign- Antral nipple sign and cervix sign- The sonographic appearance of the hyperophied pylorus resembles that of the uterine cervix and is sometimes referred to as the 'cervix sign' The treatment is surgical pyloromyotomy most often performed laparoscopically", 'role': 'assistant'}]