<prompt> True about pheochromocytoma are all except:-Urinary VMA is most specific for pheochrocytomaParaganglioma occurs at skull base10 are extra adrenal.Organ of Zukerkandi is most common extra adrenal site  <response>: Urinary VMA is most specific for Neuroblastoma Impoant Paraganglioma occur at skill base aka Chemodectoma aka Potato tumor Pheochromocytomas are 10 extra adrenal Organ Of Zuckerkandl is MC extra adrenal Sympathetic chain positive 