Table 6.
Predominant growth pattern | EGFR wild‐type (n = 69) | EGFR mutation (n = 128) | p value | |
---|---|---|---|---|
Lepidic | N | 68 | 115 | 0.0479 |
Y | 1 | 13 | ||
Solid | N | 53 | 118 | 0.0047 |
Y | 16 | 10 | ||
Acinar | N | 28 | 36 | 0.1049 |
Y | 41 | 92 | ||
Papillary | N | 64 | 120 | 1 |
Y | 5 | 8 | ||
Micropapillary | N | 66 | 125 | 0.7291 |
Y | 3 | 3 |
Results of distribution difference analysis by chi‐square test of predominant histopathological growth patterns (lepidic, solid, acinar, papillary, and micropapillary) according to the presence or absence of EGFR mutations.