[[Hypercortisolism]] may also be due to ectopic secretion of [[ACTH]] usually by tumors, most commonly [[Small-Cell Lung Cancer]], [[thymoma]], [[carcinoid]] tumors, [[pheochromocytoma]]s, and medullary [[thyroid carcinoma]]. In addition to findings of [[Cushing’s syndrome]], patients are typically cachectic due to the malignancy which is usually rapidly fatal.