Table 1 Divergent mutation cases in the adenomatous and squamous components of lung ASC.

From: Screening for major driver oncogene alterations in adenosquamous lung carcinoma using PCR coupled with next-generation and Sanger sequencing methods

NO.

Genetic changes

Gender/age

Smoking status

Tumour size(cm)

Node metastasis

Stage

Pleura Invasion

LVI

Status

1

G: EGFR E19 DEL S: WT

Female/58

Never

4

Yes

IIIA

Yes

Yes

Died

2

G: EGFR E21 L858R S: WT

Female/76

Never

5.3

Yes

IIIA

Yes

No

Loss of follow up

3

G: EGFR E19 DEL S: WT

Male/76

Smoker

6

Yes

IIIA

Yes

Yes

Alive with disease

4

G: EGFR E20 INS

Female/62

Never

4

Yes

IIIB

Yes

Yes

Died

 

S: EGFR E20 INS + PIK3CA E20 G1050S

        

5

G: EGFR E21 L858R

Male/43

Never

3.5

No

IB

No

Yes

Alive without disease

 

S: EGFR E21 L858R + PIK3CA E20 H1047L

        

6

G: EGFR E19 Del

Female/47

Never

7

Yes

IV

Yes

Yes

Alive with disease

 

S: EGFR E19 Del + PIK3CA-E20 E1034G

        
  1. ASC: adenosquamous cell carcinoma; S: squamous component; G: glandular component; LVI: lymphovascular invasion; DEL: deletion; INS: insertion; WT, wild type; E19: exon 19; E20: exon 20; E21: exon 21.