Review Question - QID 213434

A 45-year-old man presents to the clinic for an annual wellness checkup. He is relatively healthy and denies any pressing concerns. He endorses a healthy diet consisting of fruits, vegetables, and fish. He exercises for 30 minutes 3 times per week. He denies any headaches, chest pain, palpitations, fever, weight changes, or gastrointestinal issues. His temperature is 98.6°F (37.0°C), blood pressure is 154/78 mmHg, pulse is 87/min, and respirations are 12/min. As his previous appointment demonstrated elevated blood pressure, he is started on an anti-hypertensive medication. A week later, the patient presents to the office complaining of swelling of the face demonstrated in Figure A. He denies trauma, fever, pain, itchiness, respiratory difficulties, or recent upper respiratory infections. What is the most likely explanation for this finding?