Interestingly, in 5/16 cases (3/5 ISUP grade 2, 2/5 ISUP grade 3) high [177Lu]Lu-PSMA-617 binding and in contrast no or very little [177Lu]Lu-NeoB binding was observed to cells outside the tumor region and AMACR positively stained areas (i.e. normal tissue). Here, AMACR is linked to neoplasm.