<qa>  What is the metastatic breast cancer that over-expresses ErbB2?- Histologically or cytologically confirmed diagnosis of: Metastatic breast cancer that over-expresses ErbB2 OR Recurrent, advanced, or metastatic solid tumor malignancy including breast cancer that does not over-express ErbB2 that is refractory to standard therapies, for which there is no approved therapy, or for which lapatinib in combination with one of the permitted anti-cancer regimens specified in the continuation study EGF111767 may provide clinical benefit. 