From: Dosimetric effects of adaptive prostate cancer radiotherapy in an MR-linac workflow
7 mm PTV margin [%] | 5 mm PTV margin [%] | 3 mm PTV margin [%] | |
---|---|---|---|
CTV Dmin p | −1.1 [−37.1 – 0.50] 0.72 | −2.0 [−52.5 – 0.42] 0.23 | −4.2 [−73.6 – 0.21] < 0.01 |
PTV D95% p | −2.8 [−36.4 – 0.06] < 0.01 | −2.9 [−39.2 – 0.09] < 0.01 | −3.1 [−42.4 – 0.07] < 0.01 |
PTV D98% p | −5.7 [−52.7 – −0.11] < 0.01 | −5.2 [−51.5 – −0.26] < 0.01 | −5.0 [−53.6 – −0.06] < 0.01 |
Rectum D15% p | −3.6 [−52.3 – 28.7] 0.10 | −3.6 [−56.1 – 41.7] 0.16 | −2.6 [−56.0 – 43.0] 0.23 |
Bladder Dmean p | −12.6 [−32.2 – 13.5] < 0.01 | −11.8 [−32.1 – 17.1] < 0.01 | −10.2 [−32.7 – 26.7] < 0.01 |