The CT scans can be helpful in looking for extent of cancer spread. The negative scan is more useful than a positive scan, as the nodules found in a scan generally require some tissue verification (biopsy or sampling of the nodule to demonstrate if it is truly malignant). If the patient undergoing evaluation is a surgical candidate (meaning is fit enough to undergo the stress of the procedure), then the biopsy may help establish if the surgery would have a good chance for cure. Stay positive.
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