Tumor (American English) or tumour (British English) originally means "swelling", and is sometimes still used with that meaning.
Tumor meaning swelling is one of the five classical characteristics of inflammation.
However, the term is now primarily used to denote abnormal growth of tissue.
This growth can be either malignant or benign.
For more information about the topic Tumor, read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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