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- Lung Cancer Slideshow: Myths and Facts
- Patient Comments: Mesothelioma - Signs and Symptoms
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- Mesothelioma facts
- What is mesothelioma?
- What are the symptoms of mesothelioma?
- What causes mesothelioma?
- How much asbestos exposure does it take to get mesothelioma?
- How long does it take after asbestos exposure for mesothelioma to show up?
- How is mesothelioma diagnosed?
- What is the prognosis for mesothelioma?
- What is the treatment for mesothelioma?
- Is there any promising research or are there promising drugs for mesothelioma?
- What other kinds of information is available for people with mesothelioma?
Quick GuideLung Cancer Pictures Slideshow: Causes, Symptoms, Types and Treatment
What is the prognosis for mesothelioma?
Like most cancers, the prognosis for this disease often depends on how early it is diagnosed and how aggressively it is treated. Unfortunately, mesothelioma is often found at a stage in which a cure is unobtainable. Many will succumb to the disease within one year of diagnosis.
Mesothelioma treatment options (traditional and new treatments being studied)
Treatment options are determined by the stage of mesothelioma (the extent to which the tumor has spread in the body). There are three staging systems currently in use, and each one measures somewhat different variables.
The oldest staging system and the one most often used is the Butchart system, which is based mainly on the extent of primary tumor mass and divides mesotheliomas into four stages.
Butchart system extent of primary tumor mass
- Stage I: Mesothelioma is present in the right or left pleura and may also involve the diaphragm on the same side.
- Stage II: Mesothelioma invades the chest wall or involves the esophagus, heart, or pleura on both sides. Lymph nodes in the chest may also be involved.
- Stage III: Mesothelioma has penetrated through the diaphragm into the lining of the abdominal cavity or peritoneum. Lymph nodes beyond those in the chest may also be involved.
- Stage IV: There is evidence of metastasis or spread through the bloodstream to other organs.
The more recent TNM system considers variables of tumor in mass and spread, lymph node involvement, and metastasis.
TNM system: variables of T (tumor), N (lymph nodes), and M (metastasis)
- Stage I: Mesothelioma involves right or left pleura and may also have spread to the lung, pericardium, or diaphragm on the same side. Lymph nodes are not involved.
- Stage II: Mesothelioma has spread from the pleura on one side to nearby lymph nodes next to the lung on the same side. It may also have spread into the lung, pericardium, or diaphragm on the same side.
- Stage III: Mesothelioma is now in the chest wall, muscle, ribs, heart, esophagus, or other organs in the chest on the same side with or without spread to lymph nodes on the same side as the primary tumor.
- Stage IV: Mesothelioma has spread into the lymph nodes in the chest on the side opposite the primary tumor, extended to the pleura or lung on the opposite side, or directly extended into organs in the abdominal cavity or neck. Any distant metastases is included in this stage.
The Brigham system is the latest system and stages mesothelioma according to resectability (the ability to surgically remove the tumor) and lymph node involvement.
Brigham system: variables of tumor resectability and nodal status
- Stage I: resectable mesothelioma and no lymph node involvement
- Stage II: resectable mesothelioma but with lymph node involvement
- Stage III: unresectable mesothelioma extending into chest wall, heart, or through diaphragm, peritoneum; with or without extrathoracic lymph-node involvement
- Stage IV: distant metastatic disease