A 60-year-old man visits his primary care physician reporting a 45-degree lateral curvature of his penis during erections, which began 8 months ago. He initially experienced mild pain that has since resolved, but the curvature persists and occasionally interferes with sexual activity. He has a history of hypertension and smoking but no recent trauma. Examination reveals a hard, palpable plaque on the left lateral penile shaft. Question:What is the most appropriate initial management for this patient’s condition?