Screening of Alberta Asbestos Exposed Workers for Lung Cancer and Mesothelioma

Inclusion Criteria: * Age 50 - 80 years (either gender, any ethnic group) * Documented exposure to asbestos for at least one year, at least 10 years prior to study entry * Ability to provide informed consent and participate in study procedures Exclusion Criteria: * Any medical condition, such as severe heart disease (e.g. unstable angina, chronic congestive heart failure), severe lung disease or lung disease requiring supplemental oxygen, solid organ transplant, that in the opinion of the physician unlikely to benefit from screening due to shortened life-expectancy from the co-morbidities or inability to tolerate diagnosis and treatment of a screen detected abnormality * Have been previously diagnosed with lung cancer or mesothelioma * Have had other cancer within the past 5 years with the exception of the following cancers: non-melanomatous skin cancer, localized prostate cancer, carcinoma in situ (CIS) of the cervix, or superficial bladder cancer. Treatment of the exceptions must have ended \>6 months before registration into this study * Pregnancy * CT scan of the chest in the past 2 years * Unwilling to have a LDCT of chest * Unwilling to sign a consent