Data concerning in vivo biodistribution and tumor targeting of 99mTc-labeled (ZHER2:2891)2–ABD–MC-DM1, (ZHER2:2891)2–ABD–E3–MC-DM1, and (ZHER2:2891)2–ABD–E6–MC-DM1 at 4, 24, and 46 h post injection (p.i.)in BALB/c-nu/nu mice bearing HER2-expressing SKOV-3 xenografts are displayed in Figure 7. The gene discussed is ERBB2; the disease is neoplasm.