Basic Treatment Planning
Volumes
1978 ICRU29
“The Target Volume”
Organs at risk
1993 ICRU50
GTV
CTV
PTV
Organs at risk
1999 ICRU62
GTV
CTV ITV PTV
OR PRV
GTV-T GTV-N GTV-M
CTV-T (ITV) PTV-T
2004 ICRU71
CTV-N CTV-M
PTV-N PTV-M
OAR PRV
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