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Primary CTV:
• GTV
• Cervix
• Parametria
• Uterus
• Upper Vagina
• Involved organs (FIGO IVA)
Nodal CTV:
• Affected lymph-nodes and
draining areas
Lim K, et al. IJROBP 2010
Why the entire uterus?
Initial CTV components: LR-CTV-Tinitial