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Clinical Target Volume: CTV
•
Includes GTV + microscopic extension of the tumor
•
Volume to adequately cover to ensure treatment efficacy
weather treatment is delivered with a curative or a palliative
intent
•
CTV delineation is based on local and loco regional
capacity/probability of extension of the tumor
•
Includes potential micromets surrounding the GTV
•
Includes potential micromets in tumor’s drainage territory