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Noun: Ewing's tumor
Usage: US (elsewhere: Ewing's tumour)
  1. Malignant tumor in bone marrow (usually in the pelvis or in long bones)
    "The MRI revealed an Ewing's tumor in the patient's femur";
    - Ewing's sarcoma, Ewing's tumour [Brit, Cdn], endothelial myeloma

Type of: sarcoma

Encyclopedia: Ewing's tumor