Giant congenital melanocytic nevus occurs in approximately 1 in 20,000 newborns worldwide.
How many people are affected by giant congenital melanocytic nevus ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by giant congenital melanocytic nevus ? [/INST] \n Giant congenital melanocytic nevus occurs in approximately 1 in 20,000 newborns worldwide.</s>