A 52-year-old man with a 30-pack-year smoking history and no symptoms asks about lung cancer screening. According to the 2016 Canadian guideline on lung cancer screening, what is the most appropriate recommendation?AAnnual chest X-ray for all smokers over 40 yearsBLow-dose CT screening for all former smokers regardless of riskCLow-dose CT screening for eligible high-risk individuals within a structured programmeDDo not screen any asymptomatic individuals for lung cancerESputum cytology screening every 2 yearsCheck my answer