TABLE 2.

Survival Fractions of Tumor Cells after Combined Exposures (Sites Not Shielded from 10 cGy Followed by 10 Gy of Local Irradiation; Miyamoto and Sakamoto, 1987)

Regions exposed to 10 cGy	Survival fraction (log10)
Total body except spleen	2.17 ± 0.32
Tumor	2.12 ± 0.27
Spleen	3.75 ± 0.36
Total body	3.66 ± 0.30
Upper thoracic region	2.07 ± 0.27
10 Gy of local irradiation only	2.09 ± 0.30