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Dysphagia-sparing IMRT

Feng

et al.

IJROBP

2007;28:2732-8.

Feng

et al.

JClin Oncol

2010;28:2732-8.

• Omitting medial retropharyngeal lymph nodes from the CTV of elective neck.

• The PTV1 of elective neck: 35 x 1.8 Gy/63 Gy.

• The PTV2 of elective neck: 35 x 1.7 Gy/59.5 Gy.

Can we improve the results of elective neck irradiation?