Table 1.

Validated models for estimating lung cancer risk in screening populations and pulmonary nodules.

Model Type	Screening	Diagnostic			Treatment
Model	PLCOM2012	McWilliams	Mayo Clinic	VA	TREAT
Variable Age	√	√	√	√	√
Gender	√	√			√
Race	√
Education	√
Body Mass Index	√				√
COPD	√	√			√
Family history of cancer	√	√
Smoking (Y/N)	√		√	√
Smoking - Pack Years	√a				√
Years quit smoking	√			√
Hemoptysis					√
Previous Cancer	√		√		√
Lesion Size		√	√	√	√
Number of lesions		√
Lesion Growth					√
Spiculation		√	√		√
Lesion Location		√	√		√
FDG-PET Avidity					√

^acombination of cigarettes per day and smoking duration