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.
“chordoma”词性变化
名词
“chordoma”用法和例句
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.