Hi Nancy,
I'm in Canada. I pay less attention than most to the details of my pathology and very little to survival statistics. Mostly because I think that the survival statistics for Her2+ cancers are useless. I think that it was first approved for general use in metatstatic BC in 1998. Only in 2006 was in in general use for those with non-metastatic BC. Herceptin, so far, looks like such an effective tool that pre-herceptin stats are not applicable in a post-herceptin era.
I suggest that you google "The Median is not the Message", and essay written by Steven Jay Gould. It's a good discussion of the limitations of statistics.
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