Table S1Molecular testsof AciCCs (21 cases) and MASCs (14 cases)

Case / Cells with breakapart ETV6 signals / FISH result / RT-PCR (ETV6-NTRK3) / breakpoint
AciCC
1 / 0/50 / (-) / (-) / N/A
2 / 0/50 / (-) / (-) / N/A
3 / 0/50 / (-) / (-) / N/A
4 / 1/50 / (-) / (-) / N/A
5 / 2/50 / (-) / (-) / N/A
6 / 4/50 / (-) / (-) / N/A
7 / 0/50 / (-) / (-) / N/A
8 / 0/50 / (-) / (-) / N/A
9 / 2/50 / (-) / (-) / N/A
10 / 1/50 / (-) / (-) / N/A
11 / 1/50 / (-) / (-) / N/A
12 / 1/50 / (-) / (-) / N/A
13 / 1/50 / (-) / (-) / N/A
14 / 1/50 / (-) / (-) / N/A
15 / 0/50 / (-) / (-) / N/A
16 / 0/50 / (-) / (-) / N/A
17 / 0/50 / (-) / (-) / N/A
18 / 1/50 / (-) / (-) / N/A
19 / 0/50 / (-) / (-) / N/A
20 / 0/50 / (-) / (-) / N/A
21 / 0/50 / (-) / (-) / N/A
MASCa
1 / 30/50 / (+) / (+) / end of ETV6 exon 5
2 / 40/50 / (+) / (+) / end of ETV6 exon 5
3 / 44/50 / (+) / failed / failed
4 / 32/50 / (+) / (+) / end of ETV6 exon 5
5 / 40/50 / (+) / (+) / end of ETV6 exon 5
6 / 39/50 / (+) / (+) / end of ETV6 exon 5
7 / 39/50 / (+) / (+) / end of ETV6 exon 5
8 / 38/50 / (+) / (+) / end of ETV6 exon 5
9 / 40/50 / (+) / (+) / end of ETV6 exon 5
10 / 43/50 / (+) / (+) / end of ETV6 exon 5
11 / 29/50 / (+) / (+) / end of ETV6 exon 5
12 / 44/50 / (+) / (+) / end of ETV6 exon 5
13 / 40/50 / (+) / (+) / end of ETV6 exon 5
14 / 41/50 / (+) / (+) / end of ETV6 exon 5

FISH, fluorescence in situ hybridization; RT-PCT, reverse transcription polymerase chain reaction; N/A: not applicable.

aCase1-6 were previously diagnosed as AciCC and reclassified as MASC by FISH result.