Plexiform neurofibroma may be caused by the bi- allelic inactivation of the neurofibromatosis type I tumor suppressor gene.
What is neurofibroma, and what are the causes leading to its development?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: What is neurofibroma, and what are the causes leading to its development? [/INST] \n Plexiform neurofibroma may be caused by the bi- allelic inactivation of the neurofibromatosis type I tumor suppressor gene.</s>