The goal of this clinical research study is to find the highest tolerable dose of Avastin™
that can be given in combination with 4 other study drug/drug combinations. It will be given
with sunitinib, with sorafenib, with a combination of erlotinib and cetuximab, and with a
combination of trastuzumab and lapatinib. The safety and effectiveness of these drug
combinations will also be studied.