Table 2 Treatment planning details

TrueBeam

9

TrueBeam STx

7

Novalis Tx

6

Clinac iX

3

Synergy

5

Trilogy

2

VersaHD

2

TomoTherapy

4

Radixact

3

Treatment planning system

Calculation algorithm

Eclipse (n = 24)

AAA

8

AXB

16

Monaco (n = 3)

MC

3

Precision (n = 3)

Convolution-Superposition

3

Planning Station (n = 4)

Convolution-Superposition

4

Pinnacle (n = 3)

CCC

2

Adaptive Convolve

1

RayStation (n = 4)

CC

4

Beam delivery technique

 VMAT

32

 IMRT

9

PTV margin [mm]

 3

20

 4

4

 5

17