Lung nodules can be either benign (non-cancerous) or malignant (cancer). The most common causes of benign nodules include granulomas (clumps of inflamed tissue) and hamartomas (benign lung tumors).The most common cause of malignant lung nodules include lung cancer, or cancer from other regions of the body that has spread to the lungs (metastatic cancer).he most common causes of benign nodules include granulomas (clumps of inflamed tissue) and hamartomas (benign lung tumors). The most common cause of malignant lung nodules include lung cancer, or cancer from other regions of the body that has spread to the lungs (metastatic cancer).
Lexington is a city in Lafayette County, Missouri, United States. The population was 4,453 at the 2000 census. It is the county seat of Lafayette County. Located in western Missouri, Lexington lies about 40 miles east of Kansas City and is part of the Greater Kansas City Metropolitan Area. It is the home of the Battle of Lexington State Historic Site, and Wentworth Military Academy and College, the oldest military school west of the Mississippi River.
Lexington is a town in Middlesex County, Massachusetts, US. The population was 31,394 at the 2010 census, in nearly 11,100 households. Settled in 1641, it is celebrated as the site of the first shots of the American Revolutionary War, in the Battle of Lexington on April 19, 1775. It is part of the Greater Boston Area and is the sixth wealthiest small city in the United States.