A 10-year trial of treating early-stage lung cancer patients with chemotherapy after surgery suggests drugs may be a preferred alternative to surgery alone, today's common response to the disease. The study, carried out in Canada and the U.S., showed treatment with intravenous chemotherapy drugs improved survival rates over five years by 69%, compared with the 54% rate ascribed to the practice of removing lobes of the lung that contain cancerous tumors.

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