Skip to main content

Table 1 An overview of the characteristics of the right and left sided mediastinal lymph node stations

From: Determination of standard number, size and weight of mediastinal lymph nodes in postmortem examinations: reflection on lung cancer surgery

Lymph node stations

Excluded (false lymph node) (%) p

Node presence rate (%) P

Weight of LN (gr) Median (min-max) p***

Longest diameter (mm) Median (min-max) p***

Number of LN Median (min-max) p***

2R-2L

11.3 – 6.5 n.s.*

80.6 – 56.6 0,004*

0,21 (0,02 - 3,26) 0,17 (0,01 - 1,16) n.s.

10 (4–30) 9 (3–20) 0,032

2 (1-7) 2 (1–9) n.s.

4R-4L

0 – 8.1 n.s.**

98.4- 87.1 0,032**

1,08 (0,07 - 12,36) 0,36 (0,03 - 2,11) 0,000

18 (5–44) 12 ( 4–31) 0,000

4 (1–10) 2 (1–11) 0,000

3A-3P

1.6-0 n.s.**

45.2 – 14.5 0,000*

0,21 (0,05 - 2,60) 0,11 (0,02 - 0,96) n.s.

10 (6–23) 6 (4–24) n.s.

1 (1–5) 1 (1–5) n.s.

5

1.6

83.9

0,50 (0,07 - 2,48)

13 (6–30)

3 (1–7)

6

16.1

64.5

0,30 (0,01 - 5,19)

10 (3–32)

3 (1–8)

7

0

100

2,12 (0,16 - 8,68)

27 (9–62)

4 (1–18)

8R-8L

16.1 – 9.7 n.s.*

59.7 – 77.4 0,003*

0,24 (0,03 - 3,40) 0,28 (0,04 - 35,0) n.s.

11 (4–29) 12 (2–26) n.s.

2 (1–5) 2 (1–6) n.s.

9R-9L

19.4-8.1 n.s.*

50-75.8 0,003*

0,19 (0,04 - 2,0) 0,25 (0,04 - 2,05) n.s.

9 (4–29) 12 (5–31) n.s.

2 (1–8) 2 (1–5) n.s

  1. The heaviest, longest diameter and highest number zones are stations 4R and 7.
  2. *Pearson Chi-Square Test, **Fisher’s Exact Test, *** İndependent samples T test, R: right, L: left, LN: Lymph node.