Review Question - QID 212525

A 63-year-old man presents to his primary care provider complaining of changes in his vision. He says that he has been having transient episodes of "shimmering lights" and generalized blurring of his vision for the past 3 months. He is disturbed by this development as he worries it may interfere with his job as a bus driver. He additionally reports a 12-pound weight loss over this time unaccompanied by a change in appetite, and his gout flares have grown more frequent despite conforming to his recommended diet and allopurinol. His temperature is 98.0°F (36.7°C), blood pressure is 137/76 mmHg, pulse is 80/min, and respirations are 18/min. Hemoglobin and hematocrit obtained the previous day were 18.1 g/dL and 61%, respectively. Peripheral blood screening for JAK2 V617F mutation is positive. Which of the following findings is most likely expected in this patient?