Changes to This Summary (04/13/2006)
The PDQ cancer information summaries are reviewed regularly and updated as
new information becomes available. This section describes the latest
changes made to this summary as of the date above.
Changes were made to this summary to match those made to the health professional version.
WebMD Public Information from the National Cancer Institute
April 13, 2006
This information is not intended to replace the advice of a doctor.
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