sar·co·ma /sɑrˈkomə/
  肉瘤;惡性瘤
  sar·co·ma /sɑrˈkomə/ 名詞
  (複sarcomas,sarcomata)肉瘤
  Sar·co·ma n.; pl. L. Sarcomata E. sarcomas   Med. A tumor of fleshy consistence; -- formerly applied to many varieties of tumor, now restricted to a variety of malignant growth made up of cells resembling those of fetal development without any proper intercellular substance.
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  sarcoma
       n : a usually malignant tumor arising from connective tissue
           (bone or muscle etc.); one of the four major types of
           cancer