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Changes to This Summary (07/23/2009)
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.
Human/Clinical Studies
Added text about a nonrandomized controlled trial for digestive tract cancer to Table 1 (cited Enesel et al. as reference 46).
Edited Table 4 to include improved survival as the strongest benefit reported for the Mabed et al. reference.
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