TFCP2 and rhabdomyosarcoma: Special emphasis should be given to rhabdomyosarcoma harboring TFCP2 rearrangement, a recently described, distinct and clinically aggressive OSTJS variant characterized by a biphasic epithelioid and spindle cell morphology, extensive bone and soft tissue destruction, and a strong predilection for young adults (median age: 25 years, range: 11–86 years) [15, 62–69].