If a pituitary tumor has resulted in decreased hormone production, or if removal of a pituitary tumor has lowered hormone production, you may need to take replacement hormones to maintain normal hormone levels.

CNN: Pituitary tumors

Novartis says it hopes next year to apply for approval for three additional drugs for various tumors types, including a new treatment for ovarian cancer, a new lymphoma medicine and a drug for Cushing's disease, a benign tumor in the pituitary gland.

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