Arm II (HER2 overexpressed): Patients receive trastuzumab IV over 90 minutes on day 1, with subsequent doses over 30 minutes. Patients receive doxorubicin HCl liposome IV over 30 minutes followed by docetaxel IV over 1 hour on day 2 of course 1, followed by subsequent doses on day 1 of each course. Antibody therapy continues weekly and chemotherapy every 3 weeks for 8 courses.