652-653 / 3107
CTV Clinical Target Volume
The CTV is a volume of tissue that contains a
demonstrable GTV and/or subclinical malignant
disease with a certain
probability* of
occurrence
considered relevant for therapy.
2016/Athens
*Probability: 5-10% Risk
CTV-N
Regional lymph nodes
CTV-S
Surgical margins
CTV-T
Local subclinical spread
Type of subclinical spread