487 / 1481
Microscopic disease: implications for the CTV-N
Apisarnthanarax et al.
IJROBP
2006;64:678-83.
• 96 cervical lymph node metastases
•
SCC of head-and-neck
•
Extracapsular extension
•
GTV-N ≤3 cm
• Mean ECE 2.2 mm, median ECE 1.6 mm.
• 96% of lymph nodes had ECE <5 mm.