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. 2021 Jul 28;8(6):674–683. doi: 10.1093/nop/npab047

Table 2.

Evaluation of the Margins Needed to the Target Volume Based on the Diagnostic MRI (MRI-1) Needed to Cover the Extent of Disease on the Treatment Planning MRI (MRI-2)

Uniform Margin Expansion N %
1 mm 384 72.3
2 mm 482 90.8
3 mm 510 96.1
>3 mm 531 100