| http://www.w3.org/ns/prov#value | - Neuroendocrine tumors produce and secrete regulatory hormones, giving rise to symptoms including fatigue, flushing, diarrhea, food intolerance, restlessness, dyspnea, fluctuations in mood [2], and pain [3].Symptoms vary widely and may occur late in the course of the disease, depending on the type of hormone affected and the rate of secretion and localization, thus making diagnosis challenging.
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