Radioiodinated ALM (125I-ALM) accumulated to similar levels (P=0.59) in two different ErbB2‘+’/ErbB3‘+’ tumour xenografts; 125I-ALM accumulated in BT-474 and SK-OV-3 tumour xenografts at 2.89±0.2 and 3.07±0.27% injected dose per gram of tissue (% ID per g), respectively, by 24 h post-injection. Here, ERBB2 is linked to neoplasm.