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': 'Type IIIA in Nyhus classification of hernia: \nSelect and explain. \nA. Direct inguinal hernia, B. Indirect inguinal hernia, C. Femoral hernia, D. Umbilical hernia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Direct inguinal hernia Ref: Sabiston 19/epi 120Nyhus Classification:Type 3:* 3 A- Direct hernia,* 3 B- Pantaloon hernia,* 3 C- Femoral hernia', 'role': 'assistant'}]