chordoma是什么意思

n.[医]脊索癌,脊索瘤

1. Chordoma is a rare type of cancer that affects the bones of the skull and spine.

2. The patient underwent surgery to remove the chordoma tumor from his sacrum.

A rare, slow-growing malignant neoplasm derived from the remnants of the notochord. It usually occurs in the midline from the base of the skull to the sacrum, most commonly in the sacrum.