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Table 3 Mutations detected in plasma

From: Role of circulating free DNA in evaluating clinical tumor burden and predicting survival in Chinese metastatic colorectal cancer patients

Gene

Exon

Mutational hotspots

No. (%) (N = 57)

KRAS

2

G12D

10 (17.5)

G12V

10 (17.5)

G13D

5 (8.8)

G12A

4 (7.0)

G12S

3 (5.3)

G12C

2 (3.5)

G13C

1 (1.8)

G13V

1 (1.8)

V14I + G12A

1 (1.8)

3

Q61H

4 (7.0)

4

A146T

4 (7.0)

K117N

1 (1.8)

K117R

1 (1.8)

NRAS

3

Q61K

1 (1.8)

PIK3CA

9

E545K

5 (8.8)

E542K

3 (5.3)

T544I

1 (1.8)

D549N

1 (1.8)

Q546K

1 (1.8)

Q546P

1 (1.8)

E545G

1 (1.8)

20

H1047R

2 (3.5)

H1047Y

1 (1.8)

BRAF

15

V600E

3 (5.3)

K601E

1 (1.8)