Table 1: Biodistribution for 99mTc-CHSg and 68Ga-NOTA-CHSg at 2 and 4 hours and 68Ga-CHsg at 2 hours expressed as percent of decay corrected injected dose per organ (% DC-ID/organ).

OrgansBiodistribution in % DC-ID/organ
68Ga-NOTA-CHSg 99mTc-CHSg 68Ga-CHSgFree 68Ga
2 hours4 hours2 hours4 hours2 hours2 hours

Spleen
Blood
Rib
Urine
Right kidney
Left kidney
Heart
Total lungs
Total liver

Bold highlights the most important target organs. It is necessary to keep most of the activity in the lungs while the blood stays clear.