Summary of differential cytoplasmic (a, c, and e) and nuclear (b, d, and f) EG-VEGF (a and b), PKR1 (c and d), and PKR2 (e and f) staining intensity (H score) in normal adrenal glands (NAG), adrenocortical adenomas (ACA), and adrenocortical carcinomas (ACC). Here, PROKR2 is linked to adrenal cortex adenoma.