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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.