100 kV

Mono_E 70 keV

Mono_E 55 keV

Mono+ 70 keV

Mono+ 55 keV

Portal vein display

3.58 ± 0.52

3.53 ± 0.51

2.65 ± 0.55

3.77 ± 0.60

4.47 ± 0.56

Tumor contour

3.00 ± 0.29

3.03 ± 0.36

1.70 ± 0.52

3.19 ± 0.51

3.97 ± 0.54

Image quality

3.23 ± 0.37

3.29 ± 0.36

1.70 ± 0.53

3.51 ± 0.40

4.18 ± 0.42