Table 8.

Concurrent therapy: relative risk of secondary thyroid and breast cancers predicted by mathematical model vs. historical data [20,22] with the chemo-radiation interacting factor.

Organ	Relative Risks
	Model	Data [20,22]
Thyroid (low/medium)	4.56	2.3 (1.3–4.5)
Thyroid (high)	6.00	2.8 (1.1–6.7)
Breast	3.20	1.4 (0.5–4.2)