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Table 2 Metastatic rates of all groups of lymph nodes (According to JPS Classification)

From: Proposing the lymphatic target volume for elective radiation therapy for pancreatic cancer: a pooled analysis of clinical evidence

No. Group

No. Study

1

RC

2

LC

3

LCS

4

GCS

5

SP

6

IP

7

LGA

8

CHA

9

CT

10

HS

11

SA

12

HDL

13

PPD

14

SMA

15

MCA

16

PA

17

APD

18

IB

Pancreatic Head Cancer

                  

1

        

8/175

2/175

 

31/175

65/175

17/175

 

39/175

41/175

 

2

12/2974

8/2768

48/3796

57/3928

72/3973

298/4167

70/3697

728/7453

130/3697

23/2759

121/8260

921/12400

2588/8503

1182/7962

97/3364

501/5134

1524/8148

84/3266

3*

       

5/76

3/76

0/76

1/76

11/76

75/76

26/76

0/76

14/76

35/76

0/76

4

0/96

0/96

0/96

0/96

0/96

0/96

0/96

12/96

6/96

1/96

3/96

14/96

 

11/96

0/96

10/96

 

0/96

5(6)#

  

0/42

0/42

0/42

1/42

0/42

6/42

2/42

0/42

2/42

9/42

29/42

16/42

0/42

7/42

17/42

5/20

7

    

0/100

12/100

 

6/100

9/100

  

3/100

 

22/100

3/100

   

12

    

0/44

1/44

0/44

6/44

2/44

0/44

2/44

6/44

28/44

15/44

0/44

7/44

14/44

4/44

13

               

9/34

  

14

     

21/178

0/178

17/178

2/178

0/178

14/178

33/178

83/178

50/178

2/178

34/178

51/178

3/178

15

  

0/50

0/50

              

16

      

2/81

9/81

2/81

1/81

 

12/81

40/81

38/81

5/81

15/81

30/81

 

17

       

6/49

2/49

  

6/49

48/49

18/49

 

9/49

27/49

 

Total

(head)

12/3070

8/2864

48/3984

57/4116

72/4255

333/4627

72/4138

795/8119

166/4538

27/3451

143/8696

1046/13241

2956/9148

1395/8803

107/3981

645/5909

1739/8793

96/3680

1Total rate

(head) %

0.39

0.28

1.2

1.38

1.69

7.2

1.74

9.79

3.66

0.78

1.64

7.9

32.31

15.85

2.69

10.92

19.78

2.61

Pancreatic Body/tail Cancer

                  

3*

       

5/23

1/23

1/23

11/23

3/23

1/23

1/23

1/23

4/23

0/23

9/23

9

0/30

0/30

1/30

0/30

0/30

1/30

0/30

1/30

4/30

1/30

5/30

0/30

0/30

4/30

0/30

4/30

1/30

2/30

11

       

5/20

2/20

1/20

10/20

3/20

1/20

2/20

1/20

4/20

0/20

7/20

Total

(body/tail)

0/30

0/30

0/30

0/30

0/30

1/30

0/30

11/73

7/73

3/73

26/73

6/73

2/73

7/73

2/73

12/73

1/73

18/73

1Total rate

(Body/tail)%

0

0

0

0

0

3.33

0

15.07

9.59

4.11

35.62

8.22

2.74

9.59

2.74

16.44

1.37

24.66

General Pancreatic Cancer

                  

8

         

0/22

 

0/22

10/22

1/22

1/22

 

2/22

 

10

         

0/8

 

0/8

4/8

  

4/8

2/8

 

18

     

1/10

     

1/10

1/10

1/10

  

6/10

 

Total

(general)

     

1/10

   

0/30

 

1/40

15/40

2/32

1/22

4/8

10/40

 

1Total rate

(general)%

     

10

   

0

 

2.5

37.5

6.25

4.55

50

25

 

Total patients

                  

Total

12/3100

8/2894

48/4014

57/4146

72/4285

335/4667

72/4168

806/8192

173/4611

30/3554

169/8769

1053/13354

2973/9261

1404/8908

110/4076

661/5990

1750/8906

114/3753

2Total rate%

0.39

0.28

1.2

1.37

1.68

7.18

1.73

9.84

3.75

0.84

1.93

7.89

32.1

15.76

2.7

11.04

19.65

3.04

  1. Abbreviations:
  2. Group1: right cardial lymph nodes (RC)
  3. Group2: left cardial lymph nodes (LC)
  4. Group3: lymph nodes along the lesser curvature of the stomach (LCS)
  5. Group4: lymph nodes along the greater curvature of the stomach (GCS)
  6. Group5: suprapyloric lymph nodes (SP)
  7. Group6: infrapyloric lymph nodes (IP)
  8. Group7: lymph nodes around the left gastric artery (LGA)
  9. Group8: lymph nodes around the common hepatic artery (CHA)
  10. Group9: lymph nodes around the celiac trunk (CT)
  11. Group10: lymph nodes at the hilus of the spleen (HS)
  12. Group11: lymph nodes along the splenic artery (SA)
  13. Group12: lymph nodes of the hepatoduodenal ligament (HDL)
  14. Group13: posterior pancreaticoduodenal lymph nodes (PPD)
  15. Group14: lymph nodes around the superior mesenteric artery (SMA)
  16. Group15: lymph nodes along the middle colic artery (MCA)
  17. Group16: paraaortic lymph nodes (PA)
  18. Group17: anterior pancreaticoduodenal lymph nodes (APD)
  19. Group18: inferior body lymph nodes (IB)
  20. 1Total rate (head or body/tail or general) = (patient number with positive nodes in all studies mentioning such group of lymph node)/(patient number of all studies mentioning such group of lymph node) (for head or body/tail or general)
  21. 2Total rate = (patient number with positive nodes in all studies mentioning such group of lymph node)/(patient number of all studies mentioning such group of lymph node) (for all pancreatic cancers)
  22. *The data of Study No.3 was divided into 2 parts according to the location of the tumor.
  23. #Study No.5 had the same patients with Study No.6.
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Radiation Oncology

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