The 68Ga-PSMA-PET/CT of patient no. 2 depicted a SUVmax decrease of 30% in the area of the recurrence that was classified as partial response, disease stabilization was up to 10 months after the start of the treatment —three months after the last cycle— when tumour growth was seen on 68Ga-PSMA-PET/CT. Here, FOLH1 is linked to neoplasm.