PAX7 and embryonal rhabdomyosarcoma: a t(2;6) (PAX3-FOXO3) translocation changing diagnosis to alveolar rhabdomyosarcoma (ARMS) in a patient who was diagnosed with embryonal rhabdomyosarcoma (ERMS) in the absence of the cardinal ARMS fusions (PAX3-FOXO1 and PAX7-FOXO1)32 (Fig. 5a, b), 2.