Table 1.
Patient demographics and lesion characteristics
| Characteristic | No |
|---|---|
| Age (years)a | 65±14 |
|
| |
| Sex | |
| Male | 22 |
| Female | 31 |
|
| |
| Smoking history | |
| Nonsmoker | 12 |
| Smoker | 13 |
| Ex-smoker | 28 |
|
| |
| Underlying malignancy | |
| No | 30 |
| Lung cancer | 6 |
| Other malignancy | 17 |
| Head and neck cancer | 6 |
| Transitional cell cancer | 3 |
| Breast cancer | 2 |
| Hematologic | 1 |
| Endometrial | 1 |
| Rectal | 1 |
| Pancreatic | 1 |
| Prostate | 1 |
|
| |
| Multiplicity | |
| Single lesion | 34 |
| Multiple lesions | 19 |
|
| |
| Lesion size (mm)a | 33±18 |
|
| |
| Wall thickness (mm)a | 12±8 |
a
Data are mean±standard deviation.