If your 24-hour metanephrine level is between 1 and 2 times the normal amount, there is about a 30% chance you have a pheochromocytoma or paraganglioma. If your 24-hour metanephrine level is twice the normal level or higher, it's likely that you have a pheochromocytoma or paraganglioma.
Next Steps
consult general surgeon or surgical oncologist for further management.