Review Article

Gastrointestinal Mesenchymal Neoplasms other than Gastrointestinal Stromal Tumors: Focusing on Their Molecular Aspects

Table 2

Summary of various EWSR1 fusions in CCS [45, 46].

EWSR1/ATF1 transcriptRelative frequencyGI tract

EWSR1 exon 8/ ATF1 exon 4commonYes
EWSR1 exon 7/ ATF1 exon 5commonNo
EWSR1 exon 10/ ATF1 exon 5uncommonNo
EWSR1 exon 7 ATF1 exon 7uncommonNo
EWSR1 exon 7/ CREB1 exon 7uncommonYes