Low dose cancer screening recommendation for computed tomography (CT) and computed tomography angiography (CTA) of chest with diagnosis of Emphysema.

Percentage of emphysema patients, aged 50-80 at the time of service, who undergo a CT/CTA of the chest in which the Final Report:
1) Mentions that the presence of pulmonary emphysema on CT is an independent risk factor for lung cancer, AND
2) Includes a recommendation to consider the patient for low dose CT (LDCT) lung cancer screening in the future (current chest CT serves as a baseline).