ANPEP and neoplasm: With the aim of exploring the in vivo angiogenesis-targeting capability of the newly constructed APN/CD13 affine [68Ga]Ga-NODAGA-YEVGHRC and [68Ga]Ga-NOTA-c(NGR), 12 weeks old male C57BL/6 mice bearing B16F10 melanoma tumours in their left shoulder area were applied.