FOLH1 and neoplasm: Tumor lesion specific absorbed dose, assessed for the subset of seven participants with adequate SPECT/CT imaging, was 2.1/4.3 (median/mean) Gy/GBq, which is similar to the 3.3 (median) and 3.2 (mean) Gy/GBq previously reported for [177Lu]Lu-PSMA-I&T (11, 13).