![]() Some common types of lab tests used to help diagnose cancer are listed below. ![]() Your doctor is the best person to explain your lab test results and what they mean for you. These are some of the reasons why lab tests alone can’t say for sure if you have cancer or any other disease. And it is possible to have test results outside the normal range even if you are healthy. These ranges are based on test results from large numbers of people who have been tested in the past.įor many tests, it is possible to have normal results even if you have cancer. Because normal results can bounce around a bit, they are often reported in a range, with lower and upper limits. In fact, your own results can vary from day to day. Reasons for these differences include age, sex, race, medical history, and general health. It is important to keep in mind that lab results for healthy people can vary from person to person. Lab test results are used along with the results of other tests, such as biopsies and imaging, to help diagnose and learn more about a person’s cancer. However, abnormal lab results are not a sure sign of cancer. So lab tests of your blood, urine, and other body fluids that measure these substances can help doctors make a diagnosis. High or low levels of certain substances in your body can be a sign of cancer. But your doctor is the best person to explain the results from all your tests and what they mean for you. It is normal to feel anxious and want to know right away what the results are and what they mean. Results from lab tests, imaging, and biopsies are often posted in your patient portal before your doctor can discuss them with you. What happens if tests show you have cancer
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