ANPEP and neoplasm: Analysing the microPET scans of nude mice carrying ovarian cancer, [68Ga]Ga-DOTA-c(NGR)2 exhibited significant accumulation in APN/CD13 overexpressing ES2 tumours (0.62 ± 0.09% ID/g and 0.53 ± 0.08% ID/g at 1 h and 1.5 h, respectively).