A 64-year-old woman with recurrent fever.

A 68-year-old woman with dyspnea and a history of tobacco use.

A 78-year-old woman with a nine-week history of diarrhea and 28 lb weight loss.

A 58-year-old man with an incidentally found 3.4-cm pancreatic head mass.

A 56-year-old woman with slow cognitive decline.

A 38-year-old woman with hypertension, abdominal distension, and a history of chronic kidney disease.

A 65-year-old woman with a long history of pulsatile tinnitus.

A 73-year-old man with chronic difficulty swallowing.

A 62-year-old woman with abdominal pain, vomiting, and occasional diarrhea.

A 68-year-old man with urinary retention and a history of prostate cancer.

A 48-year-old woman with a history of breast cancer undergoing a bone scan.

A 35-year-old woman with weight loss and anxiety for two months.

A 60-year-old woman with metastatic lung cancer presenting for restaging.

A 60-year-old woman with headache and history of metastatic lung cancer.

A 76-year-old man from a long-term acute care facility with persistent tachycardia.

A 64-year-old man with elevated parathyroid hormone and calcium levels.

A 65-year-old man with a fever of unknown source and prior history of peripheral vascular disease.

A 40-year-old man with weight loss, fatigue, and decreased serum thyroid-stimulating hormone.

A 59-year-old man with right arm pain in the absence of a fall.

A 52-year-old woman with new-onset hypercalcemia and laboratory evidence of primary hyperparathyroidism.