A primary bone cancer occurring in the pelvic area or in one of the long bones is:

A) Hodgkin disease.
B) Wilms tumor.
C) Kaposi sarcoma.
D) Ewing sarcoma.

Ewing Sarcoma

A rare type of cancer that occurs in bones or in the soft tissue around the bones, most often affecting children and young adults.

Pelvic Area

The lower part of the torso, bounded by the pelvic bones, containing reproductive organs, the urinary bladder, and the rectum.

Primary Bone Cancer

A rare and severe form of cancer originating in the cells of the bone itself, not a metastasis from another location.