Instrument Variable Name: NFOC
To the best of your knowledge, are you now free of cancer (that is, at this time, you don't have cancer in any part of your body)?
9 Don't know
UniverseText: Sample adults 18+ who were ever told they had cancer
if TRETMRC='6' [goto HPCAEROP]
else if CIAT='1' [goto FUADVEV]