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Radiation Oncology • Gynecologic Cancers
What is the anterior expansion for the paraaortic CTV in endometrial and cerivcal cancer?
The 2020 NRG endometrial and cervix contouring guideline update said the anterior margin is a straight line between the aorta and IVC. Should there be an anterior 7-10 mm expansion on the IVC and aorta as cited by the two following atlases?
https://pubmed.ncbi.nlm.nih.gov/29523410/
https://www.redjournal.org/article/S0360-3016(13)00596-8/pdf
Answer from: Radiation Oncologist at Community Practice
Usually, around 5mm with editing based on the patient's anatomy and fixed organs like the duodenum. Kabolizadeh, Fulay and Beriwal - PMID 23849691
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