This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hernia, Subject name: Surgery
[{'content': 'Hernia containing another viscus as posterior wall is known as. \nSelect and explain. \nA. Hernia en glissade, B. Richter Hernia, C. Maydl Hernia, D. Spigelian hernia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Hernia En GlissadeRef: Sabiston 20th edition Page 1104* Sliding hernia (Hernia en Glissade) is one in which the posterior wall of sac contains retroperitoneal structures like Sigmoid (MC), Cecum, Bladder.', 'role': 'assistant'}]