A 68-year-old man comes to the physician for a 6-month history of fatigue, fever, and night sweats. He has lost 15 kg during this time. He has been smoking 3 packs of cigarettes daily for 45 years. A biopsy of lung mass is shown. Which of the following is most likely to be seen in this patient?
Hypercalcemia
Hyperkalemia
Hypomagnesemia
Hyponatremia
Hypophosphatemia
