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Characteristics of nodules in our evaluation database (database BS) used for our experiments.
| Size (mm) | Total | |||
|---|---|---|---|---|
| Small (5–14.9) | Medium (15–24.9) | Large (>25) | ||
| Extremely subtle | 14 | 5 | 0 | 19 (13.6%) |
| Very subtle | 10 | 13 | 0 | 23 (16.4%) |
| Subtle | 21 | 19 | 8 | 48 (34.3%) |
| Relatively obvious | 10 | 22 | 6 | 38 (27.1%) |
| Obvious | 3 | 3 | 6 | 12 (8.6%) |
| Total | 58 (41.4%) | 62 (44.3%) | 20 (14.3%) | 140 (100%) |
