Table 1 Clinicopathological features of lung adenocarcinoma with and without discohesive growth pattern (Disco-p).
n | Disco-p+ | Disco-p− | p value | |
---|---|---|---|---|
Total | 1062 | 203 | 859 | |
Age | ||||
≤65 | 435 | 85 | 350 | 0.770 |
≥66 | 627 | 118 | 509 | |
Sex | ||||
Male | 515 | 129 | 386 | <0.001 |
Female | 547 | 74 | 473 | |
Smoking | ||||
Smoker | 561 | 138 | 423 | <0.001 |
Never smoker | 501 | 65 | 436 | |
Tumor size | ||||
≤25 mm | 703 | 98 | 605 | <0.001 |
>25 mm | 359 | 105 | 254 | |
pN | ||||
0 | 904 | 125 | 779 | <0.001 |
1, 2 | 158 | 78 | 80 | |
Stage | ||||
0 | 21 | 0 | 21 | <0.001 |
I | 832 | 107 | 725 | |
II | 111 | 46 | 65 | |
III | 98 | 50 | 48 | |
2015 WHO classification | ||||
AIS | 21 | 0 | 21 | <0.001 |
MIA | 123 | 0 | 123 | |
Lepidic ADC | 109 | 1 | 108 | |
Acinar ADC | 115 | 30 | 85 | |
Papillary ADC | 459 | 61 | 398 | |
Solid ADC | 154 | 94 | 60 | |
MP ADC | 35 | 14 | 21 | |
IMA | 41 | 3 | 38 | |
Other ADC | 5 | 0 | 5 | |
Tumor grade | ||||
Well differentiated | 304 | 2 | 302 | <0.001 |
Moderately differentiated | 450 | 32 | 418 | |
Poorly differentiated | 308 | 169 | 139 | |
TRU | ||||
TRU | 943 | 181 | 762 | 0.853 |
Non-TRU | 119 | 22 | 97 | |
Pleural invasion | ||||
PL 1-3 | 207 | 105 | 102 | <0.001 |
PL 0 | 855 | 98 | 757 | |
Lymphatic invasion | ||||
Positive | 101 | 49 | 52 | <0.001 |
Negative | 961 | 154 | 807 | |
Vascular invasion | ||||
Positive | 194 | 94 | 100 | <0.001 |
Negative | 868 | 109 | 759 | |
STAS | ||||
Positive | 385 | 112 | 273 | <0.001 |
Negative | 677 | 91 | 586 | |
Tumor budding | ||||
Low grade (grade 0,1) | 1020 | 161 | 859 | <0.001 |
High grade (grade 2,3) | 42 | 42 | 0 |