Expression of EGFR and Molecules Downstream to PI3K/Akt, Raf-1-MEK-1-MAP (Erk1/2), and JAK (STAT3) Pathways in Invasive Lung Adenocarcinomas Resected at a Single Institution

Table 1

Clinicopathological characteristics of cases.

	Number of patients (%)
Sex
Male	41 (57)
Female	55 (42)
Age
<60 yo	45
>60 yo	50
Pathological T stage
pT1a	17 (18)
pT1b	23 (24)
pT2a	30 (31)
pT2b	18 (19)
pT3	8 (8)
Pathological N stage
N0	80 (80)
N1	15 (16)
N2	1 (1)
Tumor differentiation
Well differentiated	58 (61)
Moderately differentiated	26 (27)
Poorly differentiated	11 (11)
Histologic subtypes
Acinar	45 (46)
Acinar cribriform	2 (2)
Solid	25 (26)
Papillary	7 (7)
Lepidic	11 (11)
Mucinous	4 (4)