This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Hernias at lateral border of rectus abdominis is: \nSelect and explain. \nA. Spigelian hernia, B. Ventral hernia, C. Epigastric, D. None of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Spigelian hernias can occur anywhere along the length of the Spigelian line or zone -- an aponeurotic band of variable width at the lateral border of the rectus abdominis. Ref: Schwaz's principle of surgery 9th edition, chapter 35.", 'role': 'assistant'}]