MONDO_0020529 (ACTH-independent Cushing syndrome) is a group of endogenous Cushing syndrome  that may result from excess secretion of cortisol by either a unilateral and benign, or malignant adrenocortical tumor, or nodular adrenocortical disease. Also known as: adrenal Cushing syndrome, adrenocorticotropic hormone-independent Cushing syndrome, corticotropin-independent Cushing syndrome.