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Table 2 Details of NGS analysis in 6 samples from 3 cases of SC

From: Clinicopathological investigation of secretory carcinoma cases including a successful treatment outcome using entrectinib for high-grade transformation: a case report

Case#

Specimen site

Sample collection date

RNA input (ng)

Gene fusion

No. valid fusion reads

% of reads supporting fusion

No. unique start sites

Breakpoints

1

Parotid

2015

100

ETV6-NTRK3

6

10.17

3

chr12:12022903 chr15:88483984

    

NTRK3-ETV6†

8

13.56

3

chr15:88576088 chr12:12037379

2

Lymph node

2016

100

ETV6-NTRK3

232

60.42

104

chr12:12022903 chr15:88483984

    

NTRK3-ETV6†

100

49.75

53

chr15:88576088 chr12:12037379

3–1*

Parotid

1994

100

ETV6-NTRK3

29

24.17

14

chr12:12022903 chr15:88483984

3–2*

Parotid

2008

100

ETV6-NTRK3

14

17.72

9

chr12:12022903 chr15:88483984

3–3*

Parotid

2012

100

ETV6-NTRK3

873

57.62

167

chr12:12022903 chr15:88483984

3–4*

Lymph node

2012

100

ETV6-NTRK3

288

56.58

104

chr12:12022903 chr15:88483984

  1. *3–1, the initial tumor; 3–2, 3rd recurrence; 3–3, 5th recurrence; 3–4, and 6th recurrence of case 3, respectively
  2. †Reciprocal fusion which is secondary and non –driver mutation