ERBB2 and neoplasm: Here, we conducted synthesisand biological evaluation of [18F]FDG-Tz and invitro in human oral squamouscarcinoma CAL27 cell line and in healthy mice, followed by pretargetedPET imaging of TCO-functionalized MSNA (Figure 1C) in HER2-expressing human breast cancerHCC1954 tumor xenografts-bearing mice by using [18F]FDG-Tz.