Carboplatin and Gemcitabine With Bevacizumab Every 2 Weeks for Stage IIIb/IV Non-small Cell Lung Cancer

Patients will be treated with Gemcitabine 2000mg/m\^2 intravenously (IV) over 30 minutes, followed by Carboplatin AUC= 3 IV over 30 minutes and Bevacizumab 10 mg/kg IV over 90 minutes 1st infusion, 60 minutes 2nd infusion and 30 minutes for the following infusions. Cycles will be repeated every 2 weeks for a maximum of 6 cycles of therapy. Bevacizumab will continue to be given until disease progression.