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TNM staging
TNM staging Assigning a stage to the tumor based on size, local versus disseminated growth, lymph node involvement and presence or absence of distant metastases.
RELATED TERMS--------------------------------------
Tumor
Overgrowth of tissue.
Local
In the area of the tumor; confined to one specific area.
Lymph
Consists primarily of a clear, yellowish fluid and white blood cells. Found in the lymphatic system.
Node
A swelling, knot or knob.
Metastases
The spread of tumor cells from one part of the body to another unrelated part of the body by the way of the bloodstream or lymphatics.
SIMILAR TERMS--------------------------------------
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Tegretol
Carbamazine. A medication given to control seizures; also used for pain relief in patients who have trigeminal neuralgia.
Tumor marker
Substances found in blood or other fluids that identify the presence of a tumor, and/or the tumor type.
Teratogenicity
The property or capability of producing fetal malformation.
Tracheitis
Inflammation of the lining membrane of the trachea.
TLV defense
Threshold Limit Values (TLVs) are much-criticized air contaminant standards for the workplace devised and published by a private organization called the American Conference of Governmental Industrial Hygienists (ACGIH) and adopted by the Occupational Safety and Health Administration (OSHA). The typical TLV defense, used as a shield from liability in personal injury lawsuits, quotes the ACGIH saying that TLVs are "thought to be safe for workers -- based on the best available information."
TNM staging
Tremolite
A basic calcium, magnesium, iron silicate, one of six naturally occurring fibrous minerals forming the group called asbestos. Occurs as translucent bright- to gray-green tough interlocking fibers which are flexible and elastic. Tremolite has not been used commercially, although it is sometimes a contaminant in asbestos-containing products.
Trimodality therapy
Therapy of malignant pleural mesothelioma involving extrapleural pneumonectomy (removal of the lung) followed by adjuvant chemotherapy and radiotherapy. Trimodality therapy appears to help prolong life, though initial surgery does carry significant risks.
T-test (statistics)
A statistical test used to compare the means of two groups of test data .
Transient ischaemic attack (TIA)
Atroke syndrome where symptoms last less than 24 hours.
Treatment effect
An effect attributed to a treatment in a clinical trial. In most clinical trials the treatment effect of interest is a comparison (or contrast) of two or more treatments.
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