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Table 2 Image interpretation and grading of primary tumor

From: The value of whole-body MRI instead of only brain MRI in addition to 18 F-FDG PET/CT in the staging of advanced non-small-cell lung cancer

Patient

  

WB MRI

    

PET

CT

  

Reference standard

 

0

1

2

3

4

0

1

2

3

4

 

1

    

1

    

1

malignant

2

    

1

    

1

malignant

3

    

1

    

1

malignant

4

    

1

    

1

malignant

5

    

1

   

1

 

malignant

6

1

    

1

    

not depicted

7

    

1

    

1

malignant

8

    

1

    

1

malignant

9

   

1

     

1

malignant

10

    

1

    

1

malignant

11

   

1

     

1

malignant

12

    

1

    

1

malignant

13

1

    

1

    

not depicted

14

    

1

    

1

malignant

15

1

    

1

    

not depicted

16

    

1

    

1

malignant

17

  

1

      

1

malignant

18

    

1

    

1

malignant

19

  

1

    

1

  

malignant

20

    

1

    

1

malignant

21

    

1

    

1

malignant

22

1

    

1

    

not depicted

23

1

    

1

    

not depicted

24

    

1

    

1

malignant

25

  

1

     

1

 

malignant

26

    

1

    

1

malignant

27

    

1

    

1

malignant

28

    

1

    

1

malignant

  1. Abbreviations: WB-MRI, whole-body magnetic resonance imaging; PET/CT, positron emission tomography computed tomography
  2. Number of lesions of each grading score, 0–4. Grading of each lesion was performed for WB-MRI and 18F-FDG PET/CT respectively, according to a five-point scale and interpreted as 0 = not depicted; 1 = low suspicion; 2 = moderate suspicion; 3 = strong suspicion; and 4 = definite tumor. Lesions scoring 2 points or higher were considered malignant