Two Regimens of Docetaxel in Treating Patients Who Have Not Received Chemotherapy For Unresectable Stage IIIB or Stage IV Non-Small Cell Lung Cancer

"Patients receive docetaxel IV over 1 hour on day 1. Treatment repeats every 21 days in the absence of disease progression or unacceptable toxicity.~OR Patients receive docetaxel IV over 30 minutes on days 1, 8, and 15. Treatment repeats every 28 days in the absence of disease progression or unacceptable toxicity.~Quality of life is assessed at baseline, every 2 courses during study treatment, and then at study completion.~Patients are followed at 1 month and then every 2-3 months thereafter."