Mesothelioma can attack the pleural lining around the lungs. It can also attack the peritoneum, a tissue that surrounds the GI tract. Mesothelioma can attack the stomach lining, other internal organs, or even the pericardium (the tissue sac covering the heart). Thus, mesothelioma can be generally classified into the following types:
- Pleural — 75% of all mesothelioma cases
- Peritoneal — 10%–20%
- Pericardial — 5%
Mesothelioma can also be classified by the cancer type rather than the location of the cancer:
- Epithelioid — most common, best survival rate
- Sarcomatoid — most severe, but more rare
- Mixed/biphasic — a mixture of epithelioid and sarcomatoid cancer
Symptoms of Mesothelioma
The symptoms of mesothelioma differ somewhat according to the location of the cancer cells. In addition, each mesothelioma patient may have a different combination of mesothelioma symptoms. Tumors that affect the pleura may result in the following signs:
- Wheezing, cough, and/or hoarseness
- Anemia, fatigue
- Bloody sputum
- Shortness of breath
- Chest wall pain, or pain under the rib cage
- pleural effusion (fluid surrounding the lung)
Mesothelioma in the abdominal cavity often doesn't show symptoms until it's at a late stage. These symptoms may include:
- A mass in the abdomen
- Abdominal pain and/or swelling
- Weight loss
- Bowel problems
- Ascites (an abnormal buildup of fluid in the abdomen)
Posted in: Mesothelioma
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