NEWS-CANCER - Cells appearing normal may actually be harbingers of lung cancer

Airways near lung tumors provide clues to the genetics of cancer that suggest that seemingly healthy cells may in fact hide clues that lung cancer will later develop, according to a study. Examination of gene expression in patients with non-small cell lung cancer (NSCLC) showed these areas can be rich with cancer markers. In addition, researchers discovered the previously unknown role of a cancer-promoting gene in the airways of smokers with lung ...

http://www.sciencedaily.com/releases/2014/03/140307111104.ht