Can cancer cause excess adrenaline production?
Chain of thought:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Adrenaline is produced by the adrenal glands. Cancer is a disease characterized by the formation of tumors. Tumors on the adrenal glands can cause them to over-express. The answer is yes.