The cause of most childhood extracranial germ cell tumors is unknown.
What causes Childhood Extracranial Germ Cell Tumors ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What causes Childhood Extracranial Germ Cell Tumors ? [/INST] \n The cause of most childhood extracranial germ cell tumors is unknown.</s>