A nurse is providing care for a client who has esophageal cancer and has received radiation therapy. Which of the following findings should the nurse identify as the priority?

A. Pain level of 6: Important but not life-threatening. B. Excoriation: Requires treatment but is not the priority. C. Xerostomia: Manageable with supportive care. D. Dysphagia: Can lead to aspiration, malnutrition, or airway compromise and requires immediate attention.