In some specific situations, the early detection of cancer recurrence (local and/or distant) may increase the likelihood of successful subsequent curative treatment. However, in many circumstances, earlier knowledge of recurrence does not improve outcome. As such, it is important to balance the information that can come from advanced testing with what is best for the individual patient. Specifically, the need for patient reassurance should be balanced against the anxiety and uncertainty provoked by extensive follow-up testing when there is not a realistic expectation that the early identification of recurrence may improve survival or quality of life.
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