Table 1 Patient clinical, pathological and molecular characteristics of analyzed GIST samples

1

Spindle cell

15

0

1

Benign

1

K11:p.573 580dup

2

M

Spindle cell

18

2

1

Benign

0

K11:p.571 579(?)dup+

insL(dupins?)

3

F

Spindle cell

20

0

2

Benign

1

K11:p.664 676del

4

F

Epithelioid

25

2

2

Benign

1

P12:p.566_571delinsR

5

M

Spindle cell

28

1

2

Benign

1

K11:p.V559D

6

F

Spindle cell

30

2

2

Benign

1

K11: p.W557R

7

M

Spindle cell

30

3

2

Benign

1

K11: p.W557R; p.V559D

8

M

Spindle cell

35

0

2

Benign

0

P18:p.843 846del

9

M

Mixed

35

1

2

Benign

0

P18:p.D842V

10

F

Epithelioid

35

1

2

Benign

1

No mutation found

11

M

Mixed

40

1

2

Benign

0

P18: p.D842V

12

M

Spindle cell

40

1

2

Benign

1

K11:p.578_580dup

13

M

Epithelioid

50

2

2

Benign

1

P18: p.843 847delinsL

14

M

Spindle cell

53

5

3a

Benign

1

K11:p.V559D

15

M

Mixed

55

1

3a

Benign

1

K9:p.502 503dup

16

M

Spindle cell

60

4

3a

Benign

1

P18: p.D842V

17

M

Mixed

65

0

3a

Benign

1

P18:p.843 846del

18

M

Spindle cell

65

1

3a

Benign

1

K11: p.555 573del

19

M

Spindle cell

70

3

3a

Benign

1

K11:p.552_556del

20

M

Spindle cell

70

4

3a

Benign

1

K11: p.V560E

21

M

Mixed

80

2

3a

Benign

1

P18:p.D842V

22

F

Spindle cell

90

2

3a

Benign

1

P18:p.D842V

23

M

Mixed

90

5

3a

Benign

1

No mutation found

24

M

Mixed

95

1

3a

Benign

1

P12: p.566 571delinsK

25

F

Spindle cell

35

13

5

Borderline

1

K11:p.573 585dup+ins C

26

M

Mixed

40

7

5

Borderline

0

K11:p.555 556del homo

27

M

Spindle cell

55

7

6a

Malignant

0

No mutation found

28

M

Spindle cell

70

21

6a

Malignant

1

P18:p.D842V

29

M

Spindle cell

160

7

6b

Malignant

1

K11:p.556 563del