RET and pheochromocytoma: Although pheochromocytoma is currently defined as a malignant tumor, MEN2A-associated pheochromocytoma is known to have a small risk of metastasis.<h4>Case presentation</h4>The case was a 62-year-old Japanese male with bilateral pheochromocytoma, multiple metastases in the liver and bones, and a cardiac thrombus.