Is elective irradiation to the lower neck necessary for N0 nasopharyngeal carcinoma?
Elective levels II, III, and VA irradiation is suitable for nasopharyngeal carcinoma without neck lymph node metastasis.
Overall, 66% of patients with IB2 disease were classified as having low or intermediate-risk disease. IR patients with (-) LVSI and all LR patients did well with surgery alone. This study defines the independent importance of LVSI and questions the utility of published IR models when applied to stage IB2 cervical cancer.