ANPEP and neoplasm: Prompt and selective tumour accumulation of [68Ga]Ga-NOTA-G3-NGR along with appropriate tumour-to-background ratios—experienced during the static microPET image assessment of female nude BALB/c mice bearing subcutaneous HT1080 tumours in their right upper flank—reinforces the suitability of this tracer in APN/CD13 positive tumour diagnostics.