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Figure 2 | Radiation Oncology

Figure 2

From: Accuracy of methionine-PET in predicting the efficacy of heavy-particle therapy on primary adenoid cystic carcinomas of the head and neck

Figure 2

A comparison of the tumor to normal tissue ratio (TNR) prior to and following CIRT. The average values of the TNR prior to treatment and after treatment were 4.8 ± 1.5 (2.6-9.0) and 3.0 ± 1.3 (1.0-7.0), respectively, and the difference between them was significant (paired-t test, p < 0.0001).

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