Table 3.

Tumor-to-Organ Ratios (n=34)

Tissue	4 hours (n=8)	24 hours (n=8)	72 hours (n=8)	168 hours (n=5)	312 hours (n=5)
Blood	0.44	0.78	0.35	0.47	0.22
Spleen	2.65	4.21	1.85	2.27	1.41
Lungs	1.26	1.83	0.82	1.19	0.55
Kidneys	1.05	2.61	1.37	1.43	0.70
Liver	1.72	2.61	1.30	1.62	1.05
Bone marrow	1.94	3.12	1.06	2.36	1.37
Prostate	3.05	4.44	1.95	2.57	0.73
Muscle	13.25	15.52	4.66	7.25	2.57
Brain	11.56	32.83	16.15	21.40	8.80