From: Primary tumor volume delineation in head and neck cancer: missing the tip of the iceberg?
Structure
Median Volume in cm3 (range)
GTV_S
22.5 (4.3–49.3)
GTV_L
25.4 (5.6–54.9)
CTV_S
89.7 (30.6–166.2)
CTV_L
98.4 (34.1–176.5)