SSTR2 and neoplasm: Intriguingly, the estimated SSTR2 densities in kidneys (3.52 ± 0.07 nmol/L) and tumor (11.7 ± 3.0 nmol/L) in AR42J-tumor bearing mice were in the reported ranges of renal (2.3–7.1 nmol/L) and tumor (7–16 nmol/L) SSTR2 densities in humans [16].