Table 4 Predominant histologic subtypes and their correlation with epidermal growth factor receptor mutation (EGFR) in 102 patients
EGFR mutation number (n = 39) | Wild-type number (n = 63) | P | |
|---|---|---|---|
Lepidic predominant | 0.29 | ||
Yes | 8 (20.5%) | 8 (12.7%) | |
No | 31 (79.5%) | 55 (87.3%) | |
Acinar predominant | 0.27 | ||
Yes | 9 (23.1%) | 21 (33.3%) | |
No | 30 (76.9%) | 42 (66.7%) | |
Papillary predominant | 0.57 | ||
Yes | 8 (20.5%) | 16 (25.4%) | |
No | 31 (79.5%) | 47 (74.6%) | |
Micropapillary predominant | 0.0026 | ||
Yes | 12 (30.7%) | 5 (7.9%) | |
No | 27 (69.3%) | 58 (92.1%) | |
Solid predominant | 0.0508 | ||
Yes | 1 (2.6%) | 11 (17.5%) | |
No | 38 (97.4%) | 52 (82.5%) | |
Variants of invasive adenocarcinoma | 0.69 | ||
Yes | 0 (0.0%) | 2 (3.2%) | |
No | 39 (100%) | 61 (96.8%) | |