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Lani · 05-11-2010, 02:14 PM

In most studies the majority of her2+ breast cancers are ER-PR- and when they are ER+ they are usually much less ER+ (percentagewise) than her2- tumors.

Hope this helps

05-11-2010, 02:14 PM	#19
Lani Senior Member Join Date: Mar 2006 Posts: 4,778	Re: Pet Scan for Stage 1? In most studies the majority of her2+ breast cancers are ER-PR- and when they are ER+ they are usually much less ER+ (percentagewise) than her2- tumors. Hope this helps