ACS Deputy Chief Medical Officer Shares his Thoughts on Some of the Most Memorable Cancer Headlines of 2011

Dec 30, 2011 10:05 AM ET

According to Dr. Len Lichtenfeld, deputy chief medical officer of the American Cancer Society, we have made a substantial amount of progress in the treatment of cancer over the past few years, and 2011 has been exceptionally interesting. Here's his list of the top cancer headlines of 2011 and why they matter.