EPAS1 and exocrine pancreatic carcinoma: 1104F>A; c.1234T>A; c.1595A>G; c.1589C>A; c.1588G>A; c.1591C>T; c.1599_1604del; c.1600_1608del; c.1615G>T) in EPAS1 sequence in non‐familial pheochromocytomas, paragangliomas and pancreatic carcinomas.10, 21, 38