Heavy smokers and ex-smokers are at increased risk of lung cancer. Low-dose computed tomography screening can detect tumors at an early stage. But how often should a smoking-compromised person undergo this? A new study suggests that for those who are negative at the first LCDT test, once may be enough.
Lung cancer is the leading cancer killer in both American men and women, causing more deaths than colon, breast, and pancreatic cancers combined. According to the American Lung Association, almost 160,000 Americans are expected to die from lung cancer in 2014.