EGF and neoplasm: [177Lu]Lu-DOTA-Fab-PEG24-EGF displayed higher tumor accumulation (7.3 ± 1.5 %ID/g) than just the radiolabeled trastuzumab Fab (3.2 ± 1.5 %ID/g) and EGF ligand (2.1 ± 0.7 %ID/g) alone.