FOLH1 and neoplasm: Radioactivity levels in the tumor after injection of [211At]At-NpG-D-PSMA were maintained from 1 to 3 h, whereas the renal radioactivity levels of [211At]At-NpG-D-PSMA decreased from 1 to 3 h, similar to those of [125I]I-NpG-D-PSMA.