Table 2.
Systematic and random displacements
| PT-bone | LN-bone | LN-PT | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Displacements (mm) | Lat | AP | SI | Lat | AP | SI | Lat | AP | SI |
| Systematic | |||||||||
| Interfractional | 3.0 | 4.1 | 4.6 | 2.9 | 2.1 | 3.4 | 3.2 | 3.6 | 1.5 |
| - Without PA | 2.5 | 2.6 | 3.7 | 1.0 | 1.7 | 1.3 | 3.2 | 1.6 | 1.9 |
| - With PA | 3.7 | 5.9 | 5.9 | 1.8 | 2.7 | 5.0 | 2.9 | 5.2 | 0.7 |
| Intrafractional | 0.2 | 0.3 | 0.8 | 0.6 | 0.7 | 1.3 | 0.6 | 0.4 | 1.2 |
| Random | |||||||||
| Interfractional | 2.6 | 2.8 | 2.9 | 2.6 | 1.7 | 1.9 | 2.5 | 2.0 | 2.1 |
| - Without PA | 2.3 | 2.2 | 2.4 | 1.6 | 1.3 | 1.9 | 2.8 | 2.1 | 2.2 |
| - With PA | 3.0 | 3.6 | 3.6 | 3.4 | 2.0 | 1.7 | 2.0 | 2.0 | 1.9 |
| Intrafractional | 0.5 | 0.8 | 2.0 | 0.9 | 0.7 | 1.5 | 1.0 | 0.8 | 1.7 |
PT: Primary tumor; LN: Lymphnode; Lat: lateral; AP: anteroposterior; SI: superior inferior; PA: Pathoanatomical condition