MONDO_0006103 (benign adrenal gland pheochromocytoma) can be described as follows. A sporadic or familial pheochromocytoma that is confined to the adrenal gland and does not have any metastatic potential. The majority of cases are sporadic, and usually unilateral. Familial cases are usually bilateral. Also known as: adrenal gland pheochromocytoma, benign, pheochromocytoma, benign.