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Table 2 Unique and common variants found in the primary tissue and metastasis for each patient in the study

From: High-depth sequencing of over 750 genes supports linear progression of primary tumors and metastases in most patients with liver-limited metastatic colorectal cancer

Patient

Synchronous or metachronous

Receipt of chemotherapy prior to surgery for liver metastasis

Variants common to primary and metastasis (number (mean VAF))

Variants unique to primary tumor (number (mean VAF))

Total variants in primary (number (mean VAF))

Percentage of variants in primary found in metastasis

Variants common to primary and metastasis (number (mean VAF))

Variants unique to metastasis tumor (number (mean VAF))

Total variants in metastasis

Percentage of variants in metastasis found in primary

Total distinct variants in each patient

1

Synchronous

Yes

7 (31%)

6 (5%)

13 (19%)

53.8%

7 (47%)

2 (18%)

9 (40%)

77.8%

15

2

Synchronous

No

11 (29%)

1 (3%)

12 (27%)

91.7%

11 (42%)

0 (NA)

11 (42%)

100.0%

12

3

Synchronous

No

10 (53%)

0 (NA)

10 (53%)

100.0%

10 (32%)

2 (15%)

12 (29%)

83.3%

12

4

Synchronous

Yes

9 (9%)

3 (8%)

12 (9%)

75.0%

9 (33%)

1 (3%)

10 (30%)

90.0%

13

5

Metachronous

Yes

11 (32%)

3 (14%)

14 (28%)

78.6%

11 (37%)

2 (21%)

13 (35%)

84.6%

16

6

Synchronous

No

10 (21%)

2 (5%)

12 (19%)

83.3%

10 (35%)

5 (12%)

15 (27%)

62.5%

17

7

Metachronous

Yes

8 (46%)

2 (22%)

10 (41%)

80.0%

8 (64%)

6 (13%)

14 (42%)

53.3%

16

8

Synchronous

No

5 (71%)

0 (NA)

5 (71%)

100.0%

5 (34%)

1 (15%)

6 (31%)

83.3%

6

9

Synchronous

Yes

4 (45%)

0 (NA)

4 (45%)

100.0%

4 (29%)

1 (7%)

5 (25%)

80.00%

5

10

Synchronous

Yes

5 (51%)

5 (10%)

10 (31%)

50.00%

5 (60%)

5 (15%)

10 (37%)

50.00%

15

11

Synchronous

Yes

6 (54%)

2 (16%)

8 (45%)

75.00%

6 (41%)

1 (19%)

7 (38%)

85.71%

9

12

Synchronous

No

7 (37%)

1 (4%)

8 (33%)

87.50%

7 (39%)

0 (NA)

7 (39%)

100.00%

8

13

Metachronous

No

6 (40%)

10 (8%)

16 (20%)

37.50%

6 (58%)

3 (12%)

9 (43%)

66.67%

19

14

Synchronous

No

11 (21%)

5 (4%)

16 (16%)

68.75%

11 (18%)

7 (15%)

18 (17%)

61.11%

23

15

Synchronous

Yes

3 (72%)

14 (17%)

17 (26%)

17.65%

3 (42%)

0 (NA)

3 (42%)

100.00%

17

16

Metachronous

No

608 (12%)

133 (9%)

741 (11%)

82.1%

608 (20%)

264 (17%)

872 (19%)

69.7%

1005

17

Synchronous

Yes

10 (38%)

1 (5%)

11 (35%)

90.91%

10 (34%)

4 (4%)

14 (25%)

71.43%

15

18

Synchronous

No

9 (25%)

3 (18%)

12 (23%)

75.00%

9 (45%)

1 (3%)

10 (41%)

90.00%

13

Total

  

740 (38%)

191 (10%)

931 (30%)

79.4%a

740 (39%)

305 (13%)

1045 (34%)

70.8%a

1236

  1. aAcross the 18 patients, a median of 79.3% of variants in the primary are found in the metastasis, and a median of 81.7% of variants found in the metastasis are found in the primary.