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Table 2 Surgical specimen characteristics

From: Microscopic tumor spread beyond (echo)endoscopically determined tumor borders in esophageal cancer

Patient

Tumor length (mm)

Histology

Contraction rate (%)

Post-process contraction rate (%)

Resection margin

Mandard

Macroscopic tumor beyond EDTB (mm)

Microscopic tumor beyond EDTB (mm)

Cranial

Caudal

Cranial

Caudal

1

52

AC

92.2

nd

R0

4

0

0

0

0

2

55

AC

89.1

95.9

R0

3

0

0

0

0

3

46

AC

95.7

104.5

R0

3

0

0

0

0

4

45

AC

95.6

97.7

R0

2

na

na

0

0

5

38

AC

89.5

101.5

R0

1

na

na

0

0

6

21

AC

101.4

nd

R0

4

0

0

0

0

7

54

AC

96.3

nd

R0

3

na

na

0

15

8

66

AC

98.8

98.6

R0

3

na

na

0

10

9

15

SCC

92.0

nd

R0

1

na

na

0

0

10

45

AC

94.4

nd

R0

4

0

0

0

0

11

65

AC

88.6

97.7

R0

2

na

na

0

15b

12

72

SCC

92.3

98.5

R0

3

0

0

8

0

13

80

AC

93.0

97.8

R0

3

na

na

0

0

14

51

AC

92.9

102.3

R0

3

na

na

5

5

15a

88

AC

na

nd

R0

3

0

na

0

na

16

36

AC

97.8

nd

R0

2

na

na

0

0

17

51

SCC

98.0

99.6

R0

1

na

na

0

0

18

22

SCC

95.8

nd

R0

1

na

na

0

0

19a

37

AC

na

nd

R0

2

0

na

0

na

20

27

AC

97.8

nd

R0

4

0

0

0

0

21

84

AC

94.5

nd

R0

3

na

na

0

0

22

96

SCC

83.3

nd

R0

2

na

na

0

0

23

20

AC

91.0

nd

R0

1

na

na

0

0

24a

98

AC

na

nd

R0

4

0

na

6

na

25

43

AC

95.6

nd

R0

3

na

na

0

0

26

79

AC

na

nd

R0

2

na

na

0

0

27a

52

AC

92.7

nd

R0

3

na

na

na

0

28

40

SCC

92.1

nd

R0

2

na

na

0

0

29

29

SCC

91,7

nd

R0

1

na

na

0

0

30

12

AC

85,2

nd

R0

1

na

na

0

0

31

30

SCC

93,8

nd

R0

1

na

na

0

0

32

40

SCC

93,0

nd

R0

1

na

na

0

0

  1. Patient without fiducial markers on pre-operative imaging excluded from table
  2. Abbreviations: EDTB (echo)endoscopically determined tumor border, AC Adenocarcinoma, SCC Squamous cell carcinoma, nd not determined, na not applicable, R0 Complete resection, mm millimeters. Presented tumor spread is uncorrected for contraction rate
  3. aOnly one EDTB available for evaluation. b Only regressional changes visible, no viable tumor cells