Table 1.

Mean dose and maximum dose of crucial OAR

Dose (Gy)
OAR	Mean dose	Maximum dose
Brainstem	23.4 (18.3–27.5)	52.5 (49.5–56.8)
Spinal cord	21.6 (14.9–29.8)	34.2 (28.9–42.6)
Optic chiasm	30.5 (22.9–39.6)	45.2 (39.2–51.3)
Left optic nerve	28.7 (20.3–39.8)	47.9 (40.1–55.3)
Right optic nerve	32.2 (15.6–52.2)	50.2 (41.4–58.7)
Left temporal lobe	20.5 (13.2–24.6)	58.4 (46.8–68.6)
Right temporal lobe	21.2 (12.6–26.8)	60.7 (48.7–69.8)
Left parotid gland	31.6 (24.3–36.5)	60.1 (50.2–68.5)
Right parotid gland	30.2 (25.7–37.6)	58.5 (54.2–62.7)
Left TMJ	34.5 (28.2–42.5)	47.4 (39.5–55.3)
Right TMJ	35.7 (31.5–40.6)	45.2 (36.2–56.4)

Abbreviations: OAR, organ at risk; TMJ, temporomandibular joint