OUTLINE: This is a multicenter study. Patients receive gemcitabine IV over 30 minutes and cisplatin IV over 1 hour every 2 weeks for 6 courses in the absence of disease progression or unacceptable toxicity. Patients with no disease progression following 6 courses of therapy receive an additional 6 courses of therapy. Quality of life is assessed prior to each course and then every 3 months. Patients are followed every 3 months until death.