Stage 2 lung cancer means that your cancer is in your lung and has spread to at least one lymph node. Surgery to remove a lobe of the lung (a lobectomy) and the affected lymph node(s) is the first-line treatment for stage 2 lung cancer. In some cases chemotherapy may be recommended to shrink the tumor before surgery. However, there is a 50% chance that the cancer will come back.
Adding chemotherapy after surgery can lower the chances that your lung cancer will return by destroying any cancer cells that might have been left behind after surgery.
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