title: At the crossroads for retroperitoneal sarcomas: the future of clinical trials for this "orphan disease".
authors.forename: John M
authors.initials: JM
authors.lastname: Kane
mesh_terms: D017326:Clinical Trials, Phase III as Topic; D003131:Combined Modality Therapy; D005544:Forecasting; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000401:mortality; D011300:Preoperative Care; D012187:Retroperitoneal Space; D012509:Sarcoma / Q000401:mortality / Q000532:radiotherapy* / Q000601:surgery*; D012983:Soft Tissue Neoplasms / Q000401:mortality / Q000532:radiotherapy* / Q000601:surgery*