Table 1 Demographics of the included patients and samples.

From: Heterogeneity of programmed death-ligand 1 expression and infiltrating lymphocytes in paired resected primary and metastatic non-small cell lung cancer

Total patients (n = 28)

Variables

 

Variables

 

Age (year)

Mean

57.5

Range

52–70

Sex

Male

18

Female

10

Smoker

Yes

17

No

11

Primary tumor

    

 Location

Right lobe

18

Left lobe

10

 AJCC 8th stage

IB-IIB

22

IIIA-IV

6

 EGFR

Mutant type

14

Wild type

14

Metastatic tumor

Tumor 1

n = 28

Tumor 2

n = 8

 Metastatic sites

Intrapulmonary

9

Intrapulmonary

5

 

Chest wall

2

  
 

Brain

7

  
 

Adrenal

3

Adrenal

2

 

Soft tissue

3

  
 

Distant LN

4

Distant LN

1

Time interval

Synchronous

14

Metachronous

22

Adjuvant treatment

With treatment

20

Without treatment

16

 

Chem

15

  
 

Chem + R

1

  
 

EGFR-TKIs

1

  
 

Chem + TKIs

3

  

Histopathologic type

Primary

 

Metastases

 
 

LADC

23

LADC

23

 

LSQC

4

LSQC

4

 

LCC

1

LCC

1

Survival

Survival

15

Death

13

Follow-up time (days)

Range

335–2603

Median

1364

  1. Chem chemotherapy, Chem + R combined chemotherapy and radiotherapy, EGFR-TKIs epidermal growth factor receptor tyrosine kinase inhibitors, Chem + TKIs combined chemotherapy and EGFR-TKIs, LN lymph node, LADC lung adenocarcinoma, LSQC lung squamous carcinoma, LCC large cell carcinoma.
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