Special treatments for stage 4 colon cancer that has spread to the liver may include:
Radiofrequency ablation (a technique that uses a special probe with tiny electrodes that kill cancer cells)
Cryosurgery (using an instrument to freeze and destroy abnormal tissues).
Stage 4 Colon Cancer: Prognosis
New regimens of chemotherapy have improved the response rate, time-to-tumor progression, and median survival of patients with stage 4 colon cancer, with tolerable side effects. The median survival of these patients has improved from approximately 12 months in the mid-1990s to over 20 months in 2003.
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