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: Pathology
[{'content': 'Most common testicular tumour of Childhood is \nSelect and explain. \nA. Teratoma, B. Seminoma, C. Chorio Carcinoma, D. Embryonal Ca', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Infantile embryonal carcinoma or endodermal sinus tumor or yolk sac tumor is the most common testicular tumor in infants and children up to 3 years of age.', 'role': 'assistant'}]