Table 1 Clinical, radiological, and histological characteristics.
Characteristics | n (%) or mean ± SD (range) | |
---|---|---|
Age (years) | 63.7 ± 10.9 | (38–84) |
Sex | ||
Men | 29 | (76.3) |
Women | 9 | (23.7) |
Smoking status | ||
Never | 6 | (15.8) |
Former/current | 32 | (84.2) |
CEA (ng/ml) | 3.0 ± 8.2 | (0.7–47.6) |
SLX (U/ml) | 32.3 ± 7.2 | (20.4–57.0) |
Tumor size on CT (mm) | 15 ± 3 | (8–20) |
Maximum CT value (HU) | 345 ± 89 | (200–625) |
Mean CT value (HU) | − 88 ± 109 | (− 383 to 85) |
Clinical stage (8th edition) | ||
IA1 | 3 | (7.9) |
IA2 | 35 | (92.1) |
Predominant histological subtypes | ||
Lepidic | 9 | (23.7) |
Papillary | 15 | (39.5) |
Acinar | 4 | (10.5) |
Solid | 7 | (18.4) |
Variants (colloid) | 3 | (7.9) |
Pathological nodal involvement | ||
Negative | 37 | (97.4) |
Positive | 1 | (2.6) |
Pathological stage (8th edition) | ||
0 | 1 | (2.6) |
IA1 | 17 | (44.7) |
IA2 | 12 | (31.6) |
IA3 | 1 | (2.6) |
IB | 6 | (15.8) |
IIB | 1 | (2.6) |