Lung Cancer Screening Implementation Among Employees at Lyon Hospital

* Inclusion Criteria :

  * Participant have to meet the criteria below:

Lyon hospital employee at the day of inclusion:

* valid hospital employee number,
* Or retired employee for less than a year before the inclusion

AND meeting eligibility criteria as follow :

* Aged from 50 to 75 yo,
* AND smoke or have smoked ≥ 10 cigarettes/day during ≥ 30 years OR ≥ 15 cigarettes/day for at least 25 years;
* AND active smoker or smoking cessation for ≤ 15 years ;

  * Volunteer to start a program of smoking cessation if active smoker;
  * Consent form signed ;
  * Cover by health insurance.

    * Exclusion Criteria :

Participant have to NOT meet the criteria below :

* Individual not working at Lyon hospital;
* Individual not payed by the Lyon Hospital but working at it;
* Individuals not willing to participate;
* Individual working at René Sabran Hospital;
* Individual meeting one of this non eligibility for LCS criteria defined by the French recommendation:

  * Not able to climb 2 floors of stairs ;
  * Weight ≥ 140Kg
  * Underwent a chest CT scan less than 1 year ago (except screening scanner);
  * History of lung cancer of less than 5 years or under treatment ; history of any cancer under monitoring by chest scanner ;
  * Comorbidity contraindicating therapeutic options or any kind of invasive interventions ;
  * Ongoing or recent respiratory symptoms that might lead to lung cancer diagnosis (hemoptysia, weight loss, recurrent respiratory infection).
* Individual who is pregnant or breast feeding;
* Individual whose mental health is not good enough to participate;
* Individual in jail or under justice evaluation.