PDO, Patient derived organoid ; ODX, Organoid derived xenograft; ALI, Air liquid interface; EPS,Epithelioid sarcoma; 3D, 3-dimentional; NSG, NOD-scid IL2Rgnull ; INI-1, Integrase interactor 1; CDF, Continuous disease-free; PBS, Phosphate-buffered saline; NGS, next generation sequencing. Here, SMARCB1 is linked to sarcoma.