A lung mass is an abnormal growth or area found within the lungs, characterized by its size.
What Defines a Lung Mass?
A lung mass is specifically defined as an abnormal growth or area within the lungs that measures more than 3 centimeters (cm) in diameter. This size distinction is crucial, as any similar growth that is 3 cm or less in diameter is typically classified as a lung nodule.
Mass vs. Nodule
Understanding the difference between a lung mass and a lung nodule is important for initial classification, though both require further investigation.
| Feature | Lung Mass | Lung Nodule |
|---|---|---|
| Size | Greater than 3 cm in diameter | 3 cm or less in diameter |
| Nature | Abnormal growth or area in the lungs | Abnormal growth or area in the lungs |
| Significance | Often, but not always, cancerous | Can be benign or malignant |
Nature of a Lung Mass
While a lung mass represents an abnormal growth, its nature can vary significantly:
- Benign (Non-Cancerous): These masses are not cancerous and do not spread to other parts of the body. They may result from various non-malignant conditions, such as infections, inflammation, or non-cancerous tumors.
- Malignant (Cancerous): These masses are cancerous and have the potential to grow, invade surrounding tissues, and spread to other organs (metastasize).
It is important to note that in most cases, lung masses are cancerous. Therefore, the discovery of a lung mass necessitates immediate medical evaluation to determine its exact nature and to plan appropriate management. This typically involves further diagnostic tests, such as imaging scans, biopsies, and consultation with specialists.
