Definition of "lymphoma" []

• Any of various usually malignant tumors that arise in the lymph nodes or in other lymphoid tissue. (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.

• "Non-Hodgkin's lymphoma is usually a disease of rapid onset and progression."
• "Although Non-Hodgkin's lymphoma is a disease that is serious and potentially life threatening (as are all forms of cancer), much success has been seen with the treatment of your child's disease."
• "In children, non-Hodgkins lymphoma is classified as one of the following:"