Detection of non-calcified nodules during five annual screening rounds in 611 participants in the Danish Lung Cancer Screening Trial
| Nodules category | Baseline | 1st year | 2nd year | 3rd year | 4th year | Total |
| 2 (<5 mm) | 371 | 185 | 102 | 154 | 80 | 892 |
| 3 (5–15 mm) | 151 | 99 | 38 | 51 | 46 | 385 |
| 4 (>15 mm) | 38 | 18 | 14 | 31 | 26 | 127 |
| Total | 560 | 302 | 154 | 236 | 152 | 1404 |
| ( ) | (160) | (94) | (157) | (58) | (469) |
The table presents the number of nodules in each category each year. The figures in parentheses are the numbers of new nodules that were not reported the previous year.