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Table 2 Initial slope and age modifying parameters for EAR calculation [40]

From: The influence of radiotherapy techniques on the plan quality and on the risk of secondary tumors in patients with pituitary adenoma

Organ at risk

βEAR

γe

γa

Brain

0.51

−0.024

2.38

Soft Tissue

0.60

−0.013

−0.56

Bone

0.20

−0.013

−0.56

Thyroid

–

−0.046

0.6