Effect of A11 on experimental metastasis of LLC. (A) The (i-ii) preventive and (iii-v) therapeutic protocols in a lung metastasis model are shown. i.v. indicates intravenous injection; and LLC, Lewis lung carcinoma. (B) Mean number of surface nodules per lung in the different treatments. (C) Mean volume of nodules per lung in the different treatment groups. Ctrl. indicates control scFv Ab 13CG2; n = 8/group, **P < .001, *P < .01.