Table 1 Plan quality evaluation criteria. The planning goals for tumor target and dose constraints for OARs were listed

PGTVnd

V_60Gy (%) ≥ 97

V_60Gy (%) = 100

4.8/8

V_66Gy (%) ≤ 10

V_66Gy (%) ≤ 5

4.8/8

D_min (Gy) ≥ 54.6

D_min (Gy) ≥ 55.8

3/5

CI (0–1):

As high as possible

0–2

HI (0–1):

As low as possible

0–2

PCTV

V_45Gy (%) ≥ 97

V_45Gy (%) = 100

4.8/8

V_49.5 Gy (%) ≤ 20

V_49.5 Gy (%) ≤ 10

4.8/8

D_min (Gy) ≥ 40.95

D_min (Gy) ≥ 41.85

3/5

CI (0–1):

As high as possible

0–2

HI (0–1):

As low as possible

0–2

Spinal cord

D_0.03 cc (Gy) ≤ 45

D_0.03 cc (Gy) ≤ 40

6/10

Bladder

D_35.0% (Gy) ≤ 50

D_35.0% (Gy) ≤ 45

6/10

Rectum

D_60.0%(Gy) ≤ 45

D_60.0%(Gy) ≤ 40

6/10

Kidney (L)

V_18Gy (%) ≤ 32

V_18Gy (%) ≤ 20

3/5

Kidney (R)

V_18Gy (%) ≤ 32

V_18Gy (%) ≤ 20

3/5

Femoral head (L)

V_35Gy (%) ≤ 50

V_35Gy (%) ≤ 15

1.8/3

D_0.03 cc (Gy) ≤ 65

D_0.03 cc (Gy) ≤ 50

1.2/2

Femoral head (R)

V_35Gy (%) ≤ 50

V_35Gy (%) ≤ 15

1.8/3

D_0.03 cc (Gy) ≤ 65

D_0.03 cc (Gy) ≤ 50

1.2/2

Total score

/

/

100