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Lung Cancer

Lung cancer, or the entity of cancer that starts in lungs, is among the most prevalent types of lethal cancers in adulthood. Although it is classified as a form of carcinoma, its distinction lies in the fact that it occurs almost always on one side of the main bronchial passage in lungs and hence only one lung can be affected at a time (cancer must come from two different lymph node systems).

Lung Cancer comes in four main stages:

-TNM system:

T1-A on an X-ray has first to second stage lung cancer; T2 and T3 respectively with second to fourth stage and all higher stages have fourth stage lung cancer.

-Stage I includes what is called “localization”, where the tumor has not yet grown past outside the level of cells surrounding it. Stage II includes tumor growth through surrounding cells towards nearby structures like branches, nerves or blood vessels. With a larger volume being affected by these