We demonstrate histopathological findings and confirm the HEY1-NCOA2 gene fusion in a formalin-fixed paraffin-embedded archival sample using simple reverse transcription polymerase chain reaction (RT-PCR) method.     ///    Recently identified HEY1-NCOA2 and IRF2BP2-CDX1 gene fusions confirm their distinct molecular origin and pose a promising diagnostic marker.    ///    Recently identified HEY1-NCOA2 and IRF2BP2-CDX1 gene fusions confirm their distinct molecular origin and pose a promising diagnostic marker. 