OUTLINE: Patients receive pemetrexed disodium IV over 10 minutes, gemcitabine hydrochloride IV over 30 minutes, and bevacizumab IV over 30-90 minutes on day 1. Treatment repeats every 14 days for up to 12 courses in the absence of disease progression or unacceptable toxicity. Patients may then receive bevacizumab alone in the absence of disease progression or unacceptable toxicity.