PROKR2 and adrenal cortex carcinoma: 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)