Case study of a patient with T3N2cM0 tongue carcinoma that recurred as a retropharyngeal lymph node metastasis 5 years after surgery. (A) Pre-treatment the lymph node metastasis is indicated by the green circle. (B) At 5-months post-treatment a complete response occurred (green circle).
Kawaguchi et al. Radiation Oncology 2010 5:51 doi:10.1186/1748-717X-5-51