Evaluation of CNDC (10 nmol) accumulation in the internal tissues and organs of the HCC827 tumor bearing mice. Organs and tissues were dissected at 48 h, and panels show (A) all organs and (B) organs excluding kidneys. Organs are labeled as follows: 1) tumor, 2) heart, 3) lungs, 4) liver, 5) spleen, 6) stomach, 7) small intestine, 8) large intestine, 9) muscle, 10) skin, 11) blood, 12) kidneys. (C) Quantification of tissue fluorescence intensity. Data are mean ± SD for 3 mice.