Difference between revisions of "Tumor"
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| − | A '''Tumor''' is an abnormal and functionless mass of [[tissue]] within a living body that is not inflammatory and arises from pre-existent tissue. This can either be benign (non-cancer) or malignant ([[cancer]]). Malignant tumors (cancer) are more invasive and can spread ([[metastasis|metastasize]]) to other parts of the body. | + | A '''Tumor''' is an abnormal and functionless mass of [[tissue]] within a living body that is not inflammatory and arises from pre-existent tissue. This can either be benign (non-cancer) or malignant ([[cancer]]). Malignant tumors (cancer) are more invasive and can spread ([[metastasis|metastasize]]) to other parts of the body. However, even benign tumors can cause harm, by occupying space or exerting pressure on adjacent organs or tissues. |
[[Category:Medicine]] | [[Category:Medicine]] | ||
Revision as of 02:01, January 14, 2008
A Tumor is an abnormal and functionless mass of tissue within a living body that is not inflammatory and arises from pre-existent tissue. This can either be benign (non-cancer) or malignant (cancer). Malignant tumors (cancer) are more invasive and can spread (metastasize) to other parts of the body. However, even benign tumors can cause harm, by occupying space or exerting pressure on adjacent organs or tissues.