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Patient Demographics
| Gender, n (%) | |
| Female | 301 (81.8%) |
| Male | 67 (18.2%) |
| Ethnicity, n (%) | |
| Caucasian | 244 (66.3%) |
| African American | 18 (4.9%) |
| Asian/Pacific Islander | 9 (2.4%) |
| Hispanic | 12 (3.3%) |
| Other | 6 (1.6%) |
| Unknown | 79 (21.5%) |
| Total patients, N (%) | 368 (100%) |
| Age, median (range) | 55 (21–86) |
| Nodule size (cm), median (range) | 2.4 (1.0–7.0) |
