EBV: Epstein-Barr virus; ECOG: Eastern Cooperative Oncology Group; RT: radiation therapy.
* Many patients ineligible for or unable to tolerate induction therapy will also not be candidates for adjuvant chemotherapy after chemoradiation. Concurrent chemoradiation alone is also a reasonable alternative for patients who chose to forego or cannot tolerate adjuvant chemotherapy (ie, due to decreased performance status or comorbidities).