Definition of "mesothelioma" []

• A usually malignant tumor of mesothelial tissue, especially that of the pleura or peritoneum. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Research about screening tests for the early detection of mesothelioma is ongoing."
• "Although reported incidence rates have increased in the past 20 years, mesothelioma is still a relatively rare cancer."
• "Although mesothelioma is generally resistant to curative treatment with radiotherapy alone, palliative treatment regimens are sometimes used to relieve symptoms arising from tumor growth, such as obstruction of a major blood vessel."