chondrosarcoma

[kŏn′drō-sär-kōmə]
n.
  1. A malignant neoplasm derived from cartilage cells and occurring most frequently in pelvic bones or near the ends of long bones.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.