Carboplatin, Abraxane, and Bevacizumab in Previously Untreated Patients With Advanced Non-Small Cell Lung Cancer

* Participants will receive a single dose of Avastin 2 weeks before they are scheduled to start the combination of carboplatin, Abraxane and Avastin. Before the dose of Avastin is given, a perfusion CT scan and blood work will be performed. The perfusion CT scan and blood draw will be repeated 12 days after teh Avastin dose (2 days before beginning study treatment). * The combination of carboplatin, Abraxane and Avastin will be given in 3 week cycles and all drugs will be given as infusions. On day 1, Avastin, Abraxane and carboplatin wil be given. On Day 8 and 15, Abraxane will be given. Participants can receive up to 6 cycles of carboplatin, Abraxane and Avastin if their disease does not get worse and they do not experience intolerable side effects. * The following assessment procedures will be performed on day 1 of each cycle: physical exam; routine urine test (every other cycle); Performance status assessment. Routine blood tests will be performed on days 1, 8 and 15. * Additional procedures performed after cycles 2 and 4 and at 6 months after beginning study treatment are as follows: CT scan, PET scan, perfusion CT and blood work. * After 6 cycles of carboplatin, Abraxane and Avastin, participants will receive Avastin alone for three weeks. Participants can continue to receive Avastin as long as they do not experience unacceptable side effects.