Table 4. Histological specimen vs. nodule attenuation pattern at CT.
| Histological specimen | Nodule density CT | Total | ||
|---|---|---|---|---|
| Solid | Partially solid GGO | Pure GGO | ||
| MIA | 126 | 30 | 8 | 164 |
| AIS | 0 | 34 | 1 | 35 |
| AAH | 3 | 26 | 0 | 29 |
| Invasive adenocarcinoma | 716 | 122 | 19 | 857 |
| Squamous carcinoma | 168 | 35 | 0 | 203 |
| Typical carcinoid | 83 | 8 | 0 | 91 |
| Atypical carcinoid | 45 | 7 | 0 | 52 |
| Large cell carcinoma | 11 | 3 | 0 | 14 |
| SCLC | 4 | 1 | 0 | 5 |
| Lymphoma | 6 | 1 | 0 | 7 |
| Metastasis | 58 | 14 | 0 | 72 |
| Adenoidocystic carcinoma | 10 | 2 | 0 | 12 |
| Carcinosarcoma | 2 | 0 | 0 | 2 |
| NSCLC NAS | 14 | 4 | 1 | 19 |
| Benign diseases | 26 | 4 | 0 | 30 |
CT, computed tomography; GGO, pure ground glass opacities; MIA, minimally invasive adenocarcinoma; AIS, and adenocarcinoma in situ; AAH, atypical adenomatous hyperplasia.