A 60-year-old man with a 35 pack-year smoking history, who quit 5 years ago, asks about lung cancer screening. He has no symptoms. According to the 2016 CTFPHC guideline, what should you recommend?AAnnual chest x-rayBAnnual low-dose CT scan from age 50 to 80 for all smokersCAnnual low-dose CT scan for up to 3 years because he is 55-74 with >=30 pack-year history and quit <15 years agoDNo screening is recommended for former smokersESputum cytology annuallyCheck my answer