Review Question - QID 204351

A 68-year-old male long time smoker with known squamous cell carcinoma of the lung, not yet treated, presents to his primary care physician complaining of back pain that started several weeks ago and has been accompanied by nausea, abdominal pain, and constipation. He also reports fatigue, muscle weakness, difficulty concentrating, and unintentional 20-pound weight loss in the last 6 months. Concerned about a serious underlying condition, the patient's physician draws a set of labs; the calcium level comes back markedly elevated.
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