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