“…[2] Since 1972, approximately 400 primary neuroendocrine tumor cases of the thymus have been reported, and only 46 of them presented with ACTH production and Cushing syndrome. [2,3] Sapmaz et al [4] reported an atypical carcinoid tumor arising from the thymus complaining of difficulty in breathing, hypertension, and Cushing's syndrome with elevated ACTH and cortisol.…”