WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. sarcoma of smooth muscle; occurs most often digestive tract or uterus or bladder or prostate
Word Usage
"When Vo Clark learned that his wife, Marilyn, had a rare form of cancer called leiomyosarcoma, he did what millions of other Americans do when they want to learn more about health options — he turned to the Internet."