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Table 2 The number and distribution of observed lymphatic compartments by UML and PTD classifications

From: nPTD classification: an updated classification of gastric cancer location for function preserving gastrectomy based on physiological lymphatic flow

Tumor location

All site

U

UM·MU

M

L

P

T

D

No. of patients

416

54

13

215

134

57

176

183

Distribution of basin

l-GA

83.2%

98.1%

92.3%

89.8%

65.7%

96.5%

90.9%

71.6%

r-GA

27.9%

0.0%

0.0%

17.7%

58.2%

0.0%

0.0%

63.4%

r-GEA

63.0%

0.0%

46.2%

66.0%

85.1%

3.5%

68.8%

76.0%

l-GEA

5.5%

14.8%

46.2%

4.2%

0.0%

26.3%

4.5%

0.0%

p-GA

1.4%

11.1%

0.0%

0.0%

0.0%

10.5%

0.0%

0.0%

 #2

3.1%

24.1%

0.0%

0.0%

0.0%

22.8%

0.0%

0.0%

Number of basins

 1

33.9%

61.1%

46.2%

32.6%

23.9%

52.6%

39.8%

22.4%

 2

48.3%

29.6%

23.1%

56.3%

45.5%

35.1%

56.3%

44.8%

 3

17.8%

9.3%

30.8%

11.2%

30.6%

12.3%

4.0%

32.8%

  1. All percentage numbers represent the percentage of confirmed lymphatic flow per tumor location
  2. #2 No. 2 lymph node, l-GA left gastric artery basin, l-GEA left gastroepiploic artery basin, p-GA posterior gastric artery basin, r-GA right gastric artery basin, r-GEA right gastroepiploic artery basin