Please explain metastasis of epiloid sarcoma to pleura. Primary tumor was wrapped around cervical vertrae in 9 yr old. This was done in Levine Children s Hospital Charlotte NC - the tumor was successfully removed in Setp after radiation to shrink it and chemo in Sept. Today discovered it had metastasized to pleura via draining fluid from lung . It is not in lung but many little spots in pleura. Know. This is complicated. He is only one of 16 children with epiloid sarcoma and only child with it in neck. This is my grandson.

Summarized question: What causes epithelioid sarcoma?