TABLE 4.
Average differences in registration values in the lateral, longitudinal, and vertical direction when comparing automated registration to manual registration using drastic changes in window and level to attempt to fill the ITV for five lung SBRT patients
Patient | Target size (cc) | Target motion (cm) | Δ Lat. (cm) | Δ Long. (cm) | Δ Vert. (cm) |
---|---|---|---|---|---|
1 | 0.46 | 0.9 | −0.01 ± 0.05 | 0.55 ± 0.21 | 0.00 ± 0.08 |
2 | 4.83 | 1.2 | −0.02 ± 0.05 | −0.31 ± 0.11 | 0.03 ± 0.05 |
3 | 2.41 | 0.5 | 0.25 ± 0.07 | 0.36 ± 0.02 | −0.05 ± 0.09 |
4 | 2.46 | 1.2 | 0.00 ± 0.18 | −0.16 ± 0.10 | 0.04 ± 0.04 |
5 | 1.70 | 0.9 | −0.21 ± 0.08 | 0.40 ± 0.14 | 0.00 ± 0.01 |