It is estimated that the prevalence of pheochromocytoma is 1 in 500,000 people, and the prevalence of other paragangliomas is 1 in 1 million people. These statistics include syndromic and nonsyndromic paraganglioma and pheochromocytoma.
How many people are affected by nonsyndromic paraganglioma ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by nonsyndromic paraganglioma ? [/INST] \n It is estimated that the prevalence of pheochromocytoma is 1 in 500,000 people, and the prevalence of other paragangliomas is 1 in 1 million people. These statistics include syndromic and nonsyndromic paraganglioma and pheochromocytoma.</s>