HER2 Support Group Forums - Smoking Does Not Worsen Breast Cancer

Smoking Does Not Worsen Breast Cancer
But there are lots of other reasons to avoid the habit, experts say

Their results come from an analysis of data gathered on more than 6,000 women for more than 35 years.

http://www.healthday.com/Article.asp?AID=609462

Interesting:
There was a slight but statistically insignificant trend toward smokers having more Her2/Neu positive tumors than nonsmokers. The possible correlation between smoking and Her2/Neu tumors could not be explored due to the small number of patients who had undergone Her2/Neu screening, which was not available for the full 35 years of the study period. However, it's a potential avenue for future research, Abramowitz said.