OUTLINE: Patients receive a 5-10 minute intravenous infusion of vinorelbine on day 1 and day 8 of a 21-day course. Patients with stabilization of their disease, partial response, or complete response, receive a maximum of 12 courses of treatment. Patients showing disease progression or severe toxic side effects discontinue treatment. Quality of life and pain are assessed prior to treatment, at days 1 and 8 of each course, and at end of the treatment. Patients are followed every 3 months until disease progression.