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The lung is part of the respiratory organs. They comprise two lung lobes in which the airways continuously divide up into smaller branches until they end in the alveoli, where the gas exchange occurs. You  yourself can contribute towards the long-term maintenance of your lung function. Suggestions are found here.

Malignant Neoplasm of the Lung

Malignant neoformation of the lung is called lung cancer or bronchial carcinoma. Like all cancers, lung cancer develops through the unregulated growth of diseased cells. Via the blood stream and the lymphatic system, cancerous cells may also enter other organs where they can mutate into so called metastases. The main cause for the development of lung cancer is smoking and 90% of all lung cancer patients are smokers. The probability for developing the disease is ten times higher for smokers as for non-smokers. The best prevention, therefore, is to avoid active smoking and passive smoking. In the following, you will learn more about the causes, prevention and symptoms (complaints).
One can distinguish two types of lung cancer: the non-small cell lung carcinoma and the small-cell lung carcinoma. A tissues sample is required for matching. Therefore, at the start of your treatment your doctor will need the test result of your tissue sample (histology/ pathology). To determine which treatment is best for a patient depends on which cancer, non-small cell or small cell, is present.

The non-small cell category is the most common form of lung cancer.  About 85% of all cases of lung cancer fall into this category. It is classified into 3 sub-groups:

• the adenocarcinoma (around 50% of all cases) represents the most common lung cancer in non-smokers
• the squamous cell carcinoma (around 30% of all cases)
• the large cell bronchial carcinoma (around 15% of all cases) and
• rare sub-groups (about 5% of all cases)

The small cell lung carcinoma, representing approximately 15% of all cases, is considerably rarer than the non small-cell lung cancer variety.