Based on previous studies, the mean Ki-67 LI for PLGA and ACC has been reported to be 1.24% and 3.71%, respectively.15 The Ki-67 LI has also been used to distinguish between two other lesions, basal cell adenocarcinoma (BCAC) and basal cell adenoma. The gene discussed is MKI67; the disease is adrenal cortex carcinoma.