Pollutant particles with a smaller diameter, density, and flow rate can enter the deep lung, but large particles with a low density may also enter the deep airways, according to a study. Researchers ...

Lung nodules are small growths in your lungs, less than 30 millimeters in diameter. Many nodules aren’t cancerous, but the risk becomes higher with increased size. A lung nodule is an irregular growth ...

Small cell lung cancer (SCLC) is a fast-growing cancer that develops in cells within the lung. A range of medical tests and procedures are available to help doctors diagnose SCLC and create an ...

Lung cancer is cancer that starts in your lungs. It is the leading cause of cancer death among men and women. Finding lung cancer early before it spreads improves your chances of beating the disease.