Table 2.

Dose constraints adopted for the optimization of the treatment plans.

Parameter	MR‐Linac		VMAT		IMRT
	Mean value	σ	Mean value	σ	Mean value	σ
CTV
V95 (%)	99.63	0.62	99.73	0.67	99.77	0.83
V105 (%)	0.34	0.50	0.00	0.00	0.00	0.00
D2% (Gy)	41.29	0.34	40.60	0.18	40.58	0.24
D98% (Gy)	38.90	0.44	39.25	0.51	39.31	0.57
TV
V10Gy (cc)	823.99	567.85	778.02	520.32	699.93	577.55
V20Gy (cc)	204.30	154.02	214.57	153.89	181.01	152.00
V38Gy (cc)	58.64	50.86	57.45	48.66	57.20	50.15
PTV
V95 (%)	97.76	1.96	98.54	1.53	98.62	1.69
V105 (%)	0.31	0.46	0.00	0.01	0.03	0.11
D2% (Gy)	41.26	0.35	40.66	0.18	40.77	0.23
D98% (Gy)	37.85	0.87	38.28	1.08	38.41	1.03
Duodenum
V33Gy(cc)	0.42	0.43	0.31	0.39	0.36	0.43
V25Gy (cc)	1.90	2.12	2.07	2.51	2.50	3.38
Stomach
V33Gy(cc)	0.20	0.33	0.14	0.36	0.18	0.33
V25Gy (cc)	1.52	2.10	2.11	4.45	1.88	3.53
Bowel bag
V33Gy(cc)	0.16	0.28	0.15	0.55	0.09	0.25
V25Gy (cc)	1.47	2.37	0.71	1.89	0.94	2.52
Right kidney
V12Gy (%)	3.75	7.16	2.28	4.74	2.45	3.76
Left kidney
V12Gy (%)	3.37	6.16	0.83	2.47	1.69	4.33
Liver
V12Gy (%)	4.44	5.54	3.78	4.81	4.07	5.05
Dosimeter indicators
CI (PTV)	1.20	0.08	1.23	0.10	1.17	0.11
HI (CTV)	0.07	0.04	0.03	0.01	0.03	0.02
HI (PTV)	0.09	0.03	0.06	0.03	0.06	0.03
GI	4.27	0.99	4.69	1.21	3.81	0.88