FILE - In this June 3, 2010, file photo, Dr. Steven Birnbaum works with a patient in a CT scanner at Southern New Hampshire Medical Center in Nashua, N.H. A new study estimates that screening certain ... more 
FILE - In this June 3, 2010, file photo, Dr. Steven Birnbaum works with a patient in a CT scanner at Southern New Hampshire Medical Center in Nashua, N.H. A new study estimates that screening certain current and former smokers for lung cancer would cost Medicare about $2 billion a year, which would add $3 a month to Medicare premiums. (AP Photo/Jim Cole, File) less 
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Associated Press | Photo By Jim Cole, File
Wed, May 14, 2014 5:24 PM EDT