USZ20-EMC1 was established from an amputation specimen from a 54 year old patient with a long history of recurrent and metastatic EMC and USZ22-EMC2 was established from a fresh biopsy taken from a left thigh mass of a 68 year old patient at the time of diagnosis (Fig. 1a, b). This evidence concerns the gene EMC1 and extraskeletal myxoid chondrosarcoma.