The 29 tumors harboring NAB2 exon 4–STAT6 exon 2–3 or the 10 with “other fusions” were more likely to be solitary fibrous tumors (n = 24, n = 8) compared to malignant solitary fibrous tumors (n = 5, n = 2). The gene discussed is NAB2; the disease is solitary fibrous tumor.