Hereditary paraganglioma-pheochromocytoma occurs in approximately 1 in 1 million people.
How many people are affected by hereditary paraganglioma-pheochromocytoma ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by hereditary paraganglioma-pheochromocytoma ? [/INST] \n Hereditary paraganglioma-pheochromocytoma occurs in approximately 1 in 1 million people.</s>