Which of the following primary sites is most commonly involved in patients who are diagnosed with Ewing sarcoma?

Which of the following primary sites is most commonly involved in pati

1.	Which of the following primary sites is most commonly involved in patients who are diagnosed with Ewing sarcoma?
A.	Pelvis
B.	Humerus
C.	Fibula
D.	Tibia
Answer» B. Humerus

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Which of the following primary sites is most commonly involved in patients who are diagnosed with Ewing sarcoma?

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