Left: 75-year-old female patient with pheochromocytoma of the right adrenal gland (semi-automated metabolic tumor volume (MTV) segmentation highlighted in green); Image parameters: MTV = 18 ml, TLU = 24.6; chromogranin A = 295 ng/ml, normetanephrine in ELISA = 343 pg/ml. This evidence concerns the gene CHGA and pheochromocytoma.