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Radiotherapy
Cervix cancer, classical approach
Uterus motion: large and depending on bladder filling
Cervix motion: smaller and depending on rectal filling
Margin proposals:
Taylor: 15, 15 and 7 mm
Chan et al:
(90% of the fractions within the PTV)
▪
40 mm at fundus (top of uterus)
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15 mm at cervix
90% for intrafraction (30 minutes)
only:
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10 and 5 mm