A pleural effusion is a buildup of extra fluid in the pleural space, which is the space between the lungs and the chest wall. About half of people with cancer develop a pleural effusion.Cancer growing in the pleural space causes a malignant pleural effusion.More than 75% of people with a malignant pleural effusion have lymphoma or cancers of the breast, lung, or ovary. This condition is considered a sign of metastatic cancer, or cancer that has spread to other areas of the body.ancer growing in the pleural space causes a malignant pleural effusion. More than 75% of people with a malignant pleural effusion have lymphoma or cancers of the breast, lung, or ovary. This condition is considered a sign of metastatic cancer, or cancer that has spread to other areas of the body.
Describing a publicly-traded company with large amount of market capitalization. Though there is no fixed measurement, a large-capitalization company typically has a market capitalization over $5 billion or $10 billion. Some brokerages or exchanges have slightly different definitions of large-capitalization. Some indexes track large-capitalization companies, as do some exchange traded funds.
Also known as market cap, market capitalization is the total market value of a company's outstanding shares of stock. For example, you may have heard Apple referred to as the most valuable company in the world. That's because Apple currently has the highest market cap of any publicly traded company.