Nasopharyngeal carcinoma is a cancer that occurs in the nasopharynx, with the most common type being undifferentiated carcinoma. It has a strong association with Epstein-Barr virus. The incidence is highest in southern China and Southeast Asia. Common presenting symptoms include cervical lymph node enlargement, nasal obstruction, and ear symptoms. Diagnosis involves imaging such as CT or MRI along with biopsy. Treatment options include radiation therapy alone or with chemotherapy, with chemoradiation being the standard for locally advanced disease.