A new preliminary study comparing two imaging techniques-positron emission tomography (PET) and computed tomography (CT)-found that PET detected colon cancer 8f/o of the time, compared with 50% for Ct the test most commonly used to screen for colon cancer recurrence.

If you've bad colon cancer: Ask your doctor about having a PET scan. This test not only detects the disease sooner, but also helps your doctor assess the effectiveness of colon cancer treatments.

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