Myxoid epithelioid smooth muscle tumor with a novel MEF2A::NCOA2 fusion arising in the rectum: case report and literature review. - Kunieda J; Yamashita K; Dobashi A; Togashi Y; Baba S; Inoue N; Nakano K; Chino A; Saito S; Yamamoto N; Kawachi H; Takeuchi K (Virchows Archiv : an international journal of pathology, 2026)