Table 3.

Maximum and mean dose to anatomical organs at risk (OARs)

Anatomical OARs	Maximum Dose in the original plan (Gy)	Maximum Dose in optimized plan (Gy)	Mean Dose in the original plan (Gy)	Mean Dose in optimized plan (Gy)
Brain Stem	32.68	30.80	5.04	3.68
Optic Chiasm	26.17	22.44	13.74	11.29
Left Optic Nerve	9.84	12.77	5.43	6.01
Right Optic Nerve	4.25	3.08	2.83	2.59
Left cochlea	2.34	2.96	1.97	2.44
Right cochlea	1.70	1.12	1.48	0.99
Left eye	5.34	8.97	2.30	3.52
Right eye	2.13	2.60	1.73	2.14

OARs: Organs at risk