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What is In a chronic smoker which hemoptysis, he also gave a history of hypeension and obesity. Lab data showed raised ACTH levels, which are not suppressed by dexamethasone. The cause of Cushing's syndrome in the patient is - and explain in detail?
- History of chronic smoking and hemoptysis along with raised ACTH levels not suppressible by dexamethasone points to ectopic ACTH producing small cell carcinoma of lung.