Can you tell me about tumor on adrenal gland?

Primary and metastat: Functional adrenal tumors of the cental cortex region cause Cushings disease. In the cortex one finds the pheochromocytoma which can be benign or malignant and produce hormonal activity elevating blood pressure. Metastatic lesions are also found with the primary in kidney or lung. In most cases, except for small benign adenoma, surgery indicated.